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Collins
light         

[

1]  

      n  
1    the medium of illumination that makes sight possible  
2      (Also called)    visible radiation   electromagnetic radiation that is capable of causing a visual sensation and has wavelengths from about 380 to about 780 nanometres  
3    not in technical usage   electromagnetic radiation that has a wavelength outside this range, esp. ultraviolet radiation  
ultraviolet light     
4    the sensation experienced when electromagnetic radiation within the visible spectrum falls on the retina of the eye  
   Related prefix       photo-  
5    anything that illuminates, such as a lamp or candle  
6       See       traffic light  
7    a particular quality or type of light  
a good light for reading     
8   
a    illumination from the sun during the day; daylight  
b    the time this appears; daybreak; dawn  
9    anything that allows the entrance of light, such as a window or compartment of a window  
10    the condition of being visible or known (esp. in the phrases bring or come to light)  
11    an aspect or view  
he saw it in a different light     
12    mental understanding or spiritual insight  
13    a person considered to be an authority or leader  
14    brightness of countenance, esp. a sparkle in the eyes  
15   
a    the act of igniting or kindling something, such as a cigarette  
b    something that ignites or kindles, esp. in a specified manner, such as a spark or flame  
c    something used for igniting or kindling, such as a match  
16       See       lighthouse  
17   
a    the effect of illumination on objects or scenes, as created in a picture  
b    an area of brightness in a picture, as opposed to shade  
18       a poetic or archaic word for       eyesight  
19    the answer to a clue in a crossword  
20    in (the) light of   in view of; taking into account; considering  
21    light at the end of the tunnel   hope for the ending of a difficult or unpleasant situation  
22    out like a light   quickly asleep or unconscious  
23    see the light  
a    to gain sudden insight into or understanding of something  
b    to experience a religious conversion  
24    see the light (of day)  
a    to come into being  
b    to come to public notice  
25    shed (or throw) light on   to clarify or supply additional information on  
26    stand in a person's light   to stand so as to obscure a person's vision  
27    strike a light  
a    vb   to ignite something, esp. a match, by friction  
b    interj     (Brit)   an exclamation of surprise  
      adj  
28    full of light; well-lighted  
29    (of a colour) reflecting or transmitting a large amount of light  
light yellow         Compare       medium       2       dark       2  
30      (Phonetics)   relating to or denoting an (l) pronounced with front vowel resonance; clear  
the French ``l'' is much lighter than that of English         Compare       dark       9  
      vb   , lights, lighting, lighted, lit  
31    to ignite or cause to ignite  
32    often foll by: up   to illuminate or cause to illuminate  
33    to make or become cheerful or animated  
34    tr   to guide or lead by light,   (See also)        lights   1       light up  
     (Old English leoht; related to Old High German lioht, Gothic liuhath, Latin lux)  
  lightish      adj  
  lightless      adj  
English Collins Dictionary - English Definition & Thesaurus  
Collins
light          [2]  
      adj  
1    not heavy; weighing relatively little  
2    having relatively low density  
magnesium is a light metal     
3    lacking sufficient weight; not agreeing with standard or official weights  
4    not great in degree, intensity, or number  
light rain, a light eater     
5    without burdens, difficulties, or problems; easily borne or done  
a light heart, light work     
6    graceful, agile, or deft  
light fingers     
7    not bulky or clumsy  
8    not serious or profound; entertaining  
light verse     
9    without importance or consequence; insignificant  
no light matter     
10    frivolous or capricious  
11    loose in morals  
12    dizzy or unclear  
a light head     
13    (of bread, cake, etc.) spongy or well leavened  
14    easily digested  
a light meal     
15    relatively low in alcoholic content  
a light wine     
16    (of a soil) having a crumbly texture  
17      (of a vessel, lorry, etc.)  
a    designed to carry light loads  
b    not loaded  
18    carrying light arms or equipment  
light infantry     
19    (of an industry) engaged in the production of small consumer goods using light machinery  
   Compare       heavy       10  
20      (Aeronautics)   (of an aircraft) having a maximum take-off weight less than 5670 kilograms (12500 pounds)  
21      (Chem)   (of an oil fraction obtained from coal tar) having a boiling range between about 100° and 210°C  
22    (of a railway) having a narrow gauge, or in some cases a standard gauge with speed or load restrictions not applied to a main line  
23      (Bridge)  
a    (of a bid) made on insufficient values  
b    (of a player) having failed to take sufficient tricks to make his contract  
24      (Phonetics, prosody)   (of a syllable, vowel, etc.) unaccented or weakly stressed; short  
   Compare       heavy       13  
  
See also  
     light          1       30  
25      (Phonetics)   the least of three levels of stress in an utterance, in such languages as English  
26    light on  
Informal   lacking a sufficient quantity of (something)  
27    make light of   to treat as insignificant or trifling  
      adv  
28       a less common word for       lightly  
29    with little equipment, baggage, etc.  
to travel light     
      vb   , lights, lighting, lighted, lit   intr  
30    (esp. of birds) to settle or land after flight  
31    to get down from a horse, vehicle, etc.  
32    foll by: on or upon   to come upon unexpectedly  
33    to strike or fall on  
the choice lighted on me        (See also)        light into       light out       lights   2  
     (Old English leoht; related to Dutch licht, Gothic leihts)  
  lightish      adj  
  lightly      adv  
  lightness      n  

English Collins Dictionary - English Definition & Thesaurus  

Collins
clear  
      adj  
1    free from darkness or obscurity; bright  
2    (of weather) free from dullness or clouds  
3    transparent  
clear water     
4    even and pure in tone or colour  
clear blue     
5    without discoloration, blemish, or defect  
a clear skin     
6    easy to see or hear; distinct  
7    free from doubt or confusion  
his instructions are not clear     
8    postpositive   certain in the mind; sure  
are you clear?     
9    evident or obvious  
it is clear that he won't come now     
10    (of sounds or the voice) not harsh or hoarse  
11    serene; calm  
12    without qualification or limitation; complete  
a clear victory     
13    free of suspicion, guilt, or blame  
a clear conscience     
14    free of obstruction; open  
a clear passage     
15    free from debt or obligation  
16    (of money, profits, etc.) without deduction; net  
17    emptied of freight or cargo  
18    (of timber) having a smooth, unblemished surface  
19      (Also)    in clear   (of a message, etc.) not in code  
20      (Also)    light            (Phonetics)   denoting an (l) in whose articulation the main part of the tongue is brought forward giving the sound of a front-vowel timbre  
21      (Showjumping)   (of a round) ridden without any fences being knocked down or any points being lost  
      adv  
22    in a clear or distinct manner  
23    completely or utterly  
24    postpositive; often foll by: of   not in contact (with); free  
stand clear of the gates     
      n  
25    a clear space  
26       another word for       clearance  
27    in the clear  
a    free of suspicion, guilt, or blame  
b      (Sport)   able to receive a pass without being tackled  
      vb  
28    to make or become free from darkness, obscurity, etc.  
29    intr  
a    (of the weather) to become free from dullness, fog, rain, etc.  
b    (of mist, fog, etc.) to disappear  
30    tr   to free from impurity or blemish  
31    tr   to free from doubt or confusion  
to clear one's mind     
32    tr   to rid of objects, obstructions, etc.  
33    tr   to make or form (a path, way, etc.) by removing obstructions  
34    tr   to free or remove (a person or thing) from something, such as suspicion, blame, or guilt  
35    tr   to move or pass by or over without contact or involvement  
he cleared the wall easily     
36    tr   to rid (the throat) of phlegm or obstruction  
37    tr   to make or gain (money) as profit  
38    tr; often foll by: off   to discharge or settle (a debt)  
39    tr   to free (a debtor) from obligation  
40    intr   (of a cheque) to pass through one's bank and be charged against one's account  
41      (Banking)   to settle accounts by exchanging (commercial documents) in a clearing house  
42    to permit (ships, aircraft, cargo, passengers, etc.) to unload, disembark, depart, etc., after fulfilling the customs and other requirements, or (of ships, etc.) to be permitted to unload, etc.  
43    to obtain or give (clearance)  
44    tr   to obtain clearance from  
45    tr   to make microscope specimens transparent by immersion in a fluid such as xylene  
46    tr   to permit (a person, company, etc.) to see or handle classified information  
47    tr     (Military, etc.)  
a    to achieve transmission of (a signalled message) and acknowledgment of its receipt at its destination  
b    to decode (a message, etc.)  
48    tr     (Sport)   to hit, kick, carry, or throw (the ball) out of the defence area  
49    tr     (Computing)   to remove data from a storage device and replace it with particular characters that usually indicate zero  
50    tr     (N.Z.)   to remove (trees, scrub, etc.) from land  
51    clear the air      See       air       10  
52    clear the decks   to prepare for action, as by removing obstacles from a field of activity or combat,   (See also)        clear away       clear off       clear out       clear up  
     (C13 clere, from Old French cler, from Latin clarus clear, bright, brilliant, illustrious)  
  clearable      adj  
  clearer      n  
  clearly      adv  
  clearness      n  


arc light  
      n   a light source in which an arc between two electrodes, usually carbon, produces intense white illumination,   (Also called)    arc lamp  
back light  
      n   light falling on a photographic or television subject from the rear  
back-up light  
      n      a U.S. and Canadian name for       reversing light  
Bengal light  
      n   a firework or flare that burns with a steady bright blue light, formerly used as a signal  
black light  
      n   the invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum  
brake light  
      n   a red light attached to the rear of a motor vehicle that lights up when the brakes are applied, serving as a warning to following drivers,   (Also called)    stoplight  
calcium light  
      n      another name for       limelight  
cold light  
      n   light emitted at low temperatures from a source that is not incandescent, such as fluorescence, phosphorescence, bioluminescence, or triboluminescence  
courtesy light  
      n   the interior light in a motor vehicle  
fill light  
      n     (Photog)   a light that supplements the key light without changing its character, used esp. to lighten shadows  
first light  
      n   the time when light first appears in the morning; dawn  
flame-arc light  
      n     (Electrical engineering)   an arc light that uses flame carbons to colour the arc  
fly-by-light  
      n   aircraft control through systems operated by optical fibres rather than mechanical rods,   (Abbrev.)    FBL  
green light  
      n  
1    a signal to go, esp. a green traffic light  
2    permission to proceed with a project  
      vb  
  greenlight   , -lights, -lighting, -lighted   tr  
3    to permit (a project, etc.) to proceed  
half-light  
      n   a dim light, as at dawn or dusk  
Inner Light   , Word  
      n     (Quakerism)   the presence and inner working of God in the soul acting as a guiding spirit that is superior even to Scripture and unites man to Christ  
key light  
      n     (Television, photog, etc.)   the main stage or studio light that gives the required overall intensity of illumination  
klieg light  
      n   an intense carbon-arc light used for illumination in producing films  
     (C20: named after John H. Kliegl (1869--1959) and his brother Anton (1872--1927), German-born American inventors in the field of lighting)  
leading light  
      n  
1    an important or outstanding person, esp. in an organization or cause  
2      (Nautical)      a less common term for       range light  
light          [1]  
      n  
1    the medium of illumination that makes sight possible  
2      (Also called)    visible radiation   electromagnetic radiation that is capable of causing a visual sensation and has wavelengths from about 380 to about 780 nanometres  
3    not in technical usage   electromagnetic radiation that has a wavelength outside this range, esp. ultraviolet radiation  
ultraviolet light     
4    the sensation experienced when electromagnetic radiation within the visible spectrum falls on the retina of the eye  
   Related prefix       photo-  
5    anything that illuminates, such as a lamp or candle  
6       See       traffic light  
7    a particular quality or type of light  
a good light for reading     
8   
a    illumination from the sun during the day; daylight  
b    the time this appears; daybreak; dawn  
9    anything that allows the entrance of light, such as a window or compartment of a window  
10    the condition of being visible or known (esp. in the phrases bring or come to light)  
11    an aspect or view  
he saw it in a different light     
12    mental understanding or spiritual insight  
13    a person considered to be an authority or leader  
14    brightness of countenance, esp. a sparkle in the eyes  
15   
a    the act of igniting or kindling something, such as a cigarette  
b    something that ignites or kindles, esp. in a specified manner, such as a spark or flame  
c    something used for igniting or kindling, such as a match  
16       See       lighthouse  
17   
a    the effect of illumination on objects or scenes, as created in a picture  
b    an area of brightness in a picture, as opposed to shade  
18       a poetic or archaic word for       eyesight  
19    the answer to a clue in a crossword  
20    in (the) light of   in view of; taking into account; considering  
21    light at the end of the tunnel   hope for the ending of a difficult or unpleasant situation  
22    out like a light   quickly asleep or unconscious  
23    see the light  
a    to gain sudden insight into or understanding of something  
b    to experience a religious conversion  
24    see the light (of day)  
a    to come into being  
b    to come to public notice  
25    shed (or throw) light on   to clarify or supply additional information on  
26    stand in a person's light   to stand so as to obscure a person's vision  
27    strike a light  
a    vb   to ignite something, esp. a match, by friction  
b    interj     (Brit)   an exclamation of surprise  
      adj  
28    full of light; well-lighted  
29    (of a colour) reflecting or transmitting a large amount of light  
light yellow         Compare       medium       2       dark       2  
30      (Phonetics)   relating to or denoting an (l) pronounced with front vowel resonance; clear  
the French ``l'' is much lighter than that of English         Compare       dark       9  
      vb   , lights, lighting, lighted, lit  
31    to ignite or cause to ignite  
32    often foll by: up   to illuminate or cause to illuminate  
33    to make or become cheerful or animated  
34    tr   to guide or lead by light,   (See also)        lights   1       light up  
     (Old English leoht; related to Old High German lioht, Gothic liuhath, Latin lux)  
  lightish      adj  
  lightless      adj  
light          [2]  
      adj  
1    not heavy; weighing relatively little  
2    having relatively low density  
magnesium is a light metal     
3    lacking sufficient weight; not agreeing with standard or official weights  
4    not great in degree, intensity, or number  
light rain, a light eater     
5    without burdens, difficulties, or problems; easily borne or done  
a light heart, light work     
6    graceful, agile, or deft  
light fingers     
7    not bulky or clumsy  
8    not serious or profound; entertaining  
light verse     
9    without importance or consequence; insignificant  
no light matter     
10    frivolous or capricious  
11    loose in morals  
12    dizzy or unclear  
a light head     
13    (of bread, cake, etc.) spongy or well leavened  
14    easily digested  
a light meal     
15    relatively low in alcoholic content  
a light wine     
16    (of a soil) having a crumbly texture  
17      (of a vessel, lorry, etc.)  
a    designed to carry light loads  
b    not loaded  
18    carrying light arms or equipment  
light infantry            
19    (of an industry) engaged in the production of small consumer goods using light machinery  
   Compare       heavy       10  
20      (Aeronautics)   (of an aircraft) having a maximum take-off weight less than 5670 kilograms (12500 pounds)  
21      (Chem)   (of an oil fraction obtained from coal tar) having a boiling range between about 100° and 210°C  
22    (of a railway) having a narrow gauge, or in some cases a standard gauge with speed or load restrictions not applied to a main line  
23      (Bridge)  
a    (of a bid) made on insufficient values  
b    (of a player) having failed to take sufficient tricks to make his contract  
24      (Phonetics, prosody)   (of a syllable, vowel, etc.) unaccented or weakly stressed; short  
   Compare       heavy       13  
  
See also  
     light          1       30  
25      (Phonetics)   the least of three levels of stress in an utterance, in such languages as English  
26    light on  
Informal   lacking a sufficient quantity of (something)  
27    make light of   to treat as insignificant or trifling  
      adv  
28       a less common word for       lightly  
29    with little equipment, baggage, etc.  
to travel light     
      vb   , lights, lighting, lighted, lit   intr  
30    (esp. of birds) to settle or land after flight  
31    to get down from a horse, vehicle, etc.  
32    foll by: on or upon   to come upon unexpectedly  
33    to strike or fall on  
the choice lighted on me        (See also)        light into       light out       lights   2  
     (Old English leoht; related to Dutch licht, Gothic leihts)  
  lightish      adj  
  lightly      adv  
  lightness      n  
Light  
      n  
1    God regarded as a source of illuminating grace and strength  
2      (Quakerism)      short for       Inner Light  
light air  
      n   very light air movement of force one on the Beaufort scale  
light box  
      n   a light source contained in a box and covered with a diffuser, used for viewing photographic transparencies, negatives, etc.  
light breeze  
      n   a very light wind of force two on the Beaufort scale  
light bulb  
      n   a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it,   (Sometimes shortened to)    bulb  
light-emitting diode  
      n   a diode of semiconductor material, such as gallium arsenide, that emits light when a forward bias is applied, the colour depending on the semiconductor material: used as off/on indicators,   (Abbrev.)    LED  
light engine  
      n   a railway locomotive in motion without drawing any carriages or wagons,   (U.S. equivalent)    wildcat  
light face  
      n  
1      (Printing)   a weight of type characterized by light thin lines  
   Compare       bold face  
      adj     (also)   
  light-faced  
2    (of type) having this weight  
light-fast  
      adj   (of a dye or dyed article) unaffected by light  
light-fingered  
      adj   having nimble or agile fingers, esp. for thieving or picking pockets  
  light-fingeredness      n  
light flyweight  
      n  
a    an amateur boxer weighing not more than 48 kg (106 pounds)  
b    (as modifier)  
a light-flyweight fight     
light-footed  
      adj   having a light or nimble tread  
  light-footedly      adv  
  light-footedness      n  
light-headed  
      adj  
1    frivolous in disposition or behaviour  
2    giddy; feeling faint or slightly delirious  
  light-headedly      adv  
  light-headedness      n  
light-hearted  
      adj   cheerful or carefree in mood or disposition  
  light-heartedly      adv  
  light-heartedness      n  
light heavyweight  
      n  
1      (Also called (in Britain))    cruiserweight  
a    a professional boxer weighing 160--175 pounds (72.5--79.5 kg)  
b    an amateur boxer weighing 75--81 kg (165--179 pounds)  
c    (as modifier)  
a light-heavyweight bout     
2    a wrestler in a similar weight category (usually 192--214 pounds (87--97 kg))  
light horse  
      n   lightly armed and highly mobile cavalry  
  light-horseman      n  
light into  
      vb   intr, prep  
Informal   to assail physically or verbally  
light meter  
      n      another name for       exposure meter  
light middleweight  
      n  
a    an amateur boxer weighing 67--71 kg (148--157 pounds)  
b    (as modifier)  
a light-middleweight bout         Compare       junior middleweight  
light music  
      n   music for popular entertainment  
light opera  
      n      another term for       operetta  
light out  
      vb   intr, adv  
Informal   to depart quickly, as if being chased  
light pen  
      n     (Computing)  
a    a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at  
b    a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface  
light pollution  
      n   the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars  
light rail  
      n   a transport system using small trains or trams, often serving parts of a large metropolitan area  
light reaction  
      n     (Botany)   the stage of photosynthesis during which light energy is absorbed by chlorophyll and transformed into chemical energy stored in ATP  
   Compare       dark reaction  
light-sensitive  
      adj     (Physics)   (of a surface) having a photoelectric property, such as the ability to generate a current, change its electrical resistance, etc., when exposed to light  
light show  
      n   a kaleidoscopic display of moving lights, etc., projected onto a screen, esp. during pop concerts  
light table  
      n     (Printing)   a translucent surface of ground glass or a similar substance, illuminated from below and used for the examination of positive or negative film, and for the make-up of photocomposed pages  
light trap  
      n   any mechanical arrangement that allows some form of movement to take place while excluding light, such as a light-proof door or the lips of a film cassette  
light up  
      vb   adv  
1    to light a cigarette, pipe, etc.  
2    to illuminate or cause to illuminate  
3    to make or become cheerful or animated  
light water  
      n   a name for water (H2O), as distinct from heavy water  
light welterweight  
      n  
a    an amateur boxer weighing 60--63.5 kg (132--140 pounds)  
b    (as modifier)  
the light welterweight champion         Compare       junior welterweight  
light year  
      n   a unit of distance used in astronomy, equal to the distance travelled by light in one year, i.e. 9.4607x1012 kilometres or 0.3066 parsecs  
night-light  
      n   a dim light burning at night, esp. for children  
pilot light  
      n  
1    a small auxiliary flame that ignites the main burner of a gas appliance when the control valve opens  
2    a small electric light used as an indicator  
range light  
      n     (Nautical)  
1    one of a pattern of navigation lights, usually fixed ashore, used by vessels for manoeuvring in narrow channels at night  
2    one of a distinctive pattern of lights shown at night on the masts of a powered vessel, such as a tugboat, to aid in identifying its size, number of barges in tow, etc.  
rear light   , lamp  
      n   a red light, usually one of a pair, attached to the rear of a motor vehicle,   (Also called)    tail-light, tail lamp  
red light  
      n  
1    a signal to stop, esp. a red traffic signal in a system of traffic lights  
2    a danger signal  
3    an instruction to stop or discontinue  
4   
a    a red lamp in a window of or outside a house indicating that it is a brothel  
b    (as modifier)  
a red-light district     
reversing light  
      n   a light on the rear of a motor vehicle to warn others that the vehicle is being reversed  
running light  
      n     (Nautical)   one of several white, red, or green lights displayed by vessels operating at night  
rush light   , candle  
      n   a narrow candle, formerly in use, made of the pith of various types of rush dipped in tallow  
sweetness and light  
      n   an apparently affable reasonableness  
     (C19: adopted by Matthew Arnold from Swift's Battle of the Books (1704))  
tail-light   , tail lamp  
      n      other names for       rear light  
traffic light   , signal  
      n   one of a set of coloured lights placed at crossroads, junctions, etc., to control the flow of traffic. A red light indicates that traffic must stop and a green light that it may go: usually an amber warning light is added between the red and the green  
Very light  
      n   a coloured flare fired from a special pistol (Very pistol) for signalling at night, esp. at sea  
     (C19: named after Edward W. Very (1852--1910), US naval ordnance officer)  
vigil light  
      n     (Chiefly R.C. Church)  
1    a small candle lit as an act of personal devotion before a shrine or statue, usually in a church  
2    a small lamp kept permanently burning before such a shrine or statue  
wax light  
      n   a candle or taper of wax  
white light  
      n   light that contains all the wavelengths of visible light at approximately equal intensities, as in sunlight or the light from white-hot solids  
zodiacal light  
      n   a very faint cone of light in the sky, visible in the east just before sunrise and in the west just after sunset. It is probably due to the reflection of sunlight from cosmic dust in the plane of the ecliptic  

English Collins Dictionary - English Definition & Thesaurus  

Collins
riding lamp   , light         
      n   a light on a boat or ship showing that it is at anchor  


arc light  
      n   a light source in which an arc between two electrodes, usually carbon, produces intense white illumination,   (Also called)    arc lamp  
back light  
      n   light falling on a photographic or television subject from the rear  
back-up light  
      n      a U.S. and Canadian name for       reversing light  
Bengal light  
      n   a firework or flare that burns with a steady bright blue light, formerly used as a signal  
black light  
      n   the invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum  
brake light  
      n   a red light attached to the rear of a motor vehicle that lights up when the brakes are applied, serving as a warning to following drivers,   (Also called)    stoplight  
calcium light  
      n      another name for       limelight  
cold light  
      n   light emitted at low temperatures from a source that is not incandescent, such as fluorescence, phosphorescence, bioluminescence, or triboluminescence  
courtesy light  
      n   the interior light in a motor vehicle  
fill light  
      n     (Photog)   a light that supplements the key light without changing its character, used esp. to lighten shadows  
first light  
      n   the time when light first appears in the morning; dawn  
flame-arc light  
      n     (Electrical engineering)   an arc light that uses flame carbons to colour the arc  
fly-by-light  
      n   aircraft control through systems operated by optical fibres rather than mechanical rods,   (Abbrev.)    FBL  
green light  
      n  
1    a signal to go, esp. a green traffic light  
2    permission to proceed with a project  
      vb  
  greenlight   , -lights, -lighting, -lighted   tr  
3    to permit (a project, etc.) to proceed  
half-light  
      n   a dim light, as at dawn or dusk  
Inner Light   , Word  
      n     (Quakerism)   the presence and inner working of God in the soul acting as a guiding spirit that is superior even to Scripture and unites man to Christ  
key light  
      n     (Television, photog, etc.)   the main stage or studio light that gives the required overall intensity of illumination  
klieg light  
      n   an intense carbon-arc light used for illumination in producing films  
     (C20: named after John H. Kliegl (1869--1959) and his brother Anton (1872--1927), German-born American inventors in the field of lighting)  
leading light  
      n  
1    an important or outstanding person, esp. in an organization or cause  
2      (Nautical)      a less common term for       range light  
light          [1]  
      n  
1    the medium of illumination that makes sight possible  
2      (Also called)    visible radiation   electromagnetic radiation that is capable of causing a visual sensation and has wavelengths from about 380 to about 780 nanometres  
3    not in technical usage   electromagnetic radiation that has a wavelength outside this range, esp. ultraviolet radiation  
ultraviolet light     
4    the sensation experienced when electromagnetic radiation within the visible spectrum falls on the retina of the eye  
   Related prefix       photo-  
5    anything that illuminates, such as a lamp or candle  
6       See       traffic light  
7    a particular quality or type of light  
a good light for reading     
8   
a    illumination from the sun during the day; daylight  
b    the time this appears; daybreak; dawn  
9    anything that allows the entrance of light, such as a window or compartment of a window  
10    the condition of being visible or known (esp. in the phrases bring or come to light)  
11    an aspect or view  
he saw it in a different light     
12    mental understanding or spiritual insight  
13    a person considered to be an authority or leader  
14    brightness of countenance, esp. a sparkle in the eyes  
15   
a    the act of igniting or kindling something, such as a cigarette  
b    something that ignites or kindles, esp. in a specified manner, such as a spark or flame  
c    something used for igniting or kindling, such as a match  
16       See       lighthouse  
17   
a    the effect of illumination on objects or scenes, as created in a picture  
b    an area of brightness in a picture, as opposed to shade  
18       a poetic or archaic word for       eyesight  
19    the answer to a clue in a crossword  
20    in (the) light of   in view of; taking into account; considering  
21    light at the end of the tunnel   hope for the ending of a difficult or unpleasant situation  
22    out like a light   quickly asleep or unconscious  
23    see the light  
a    to gain sudden insight into or understanding of something  
b    to experience a religious conversion  
24    see the light (of day)  
a    to come into being  
b    to come to public notice  
25    shed (or throw) light on   to clarify or supply additional information on  
26    stand in a person's light   to stand so as to obscure a person's vision  
27    strike a light  
a    vb   to ignite something, esp. a match, by friction  
b    interj     (Brit)   an exclamation of surprise  
      adj  
28    full of light; well-lighted  
29    (of a colour) reflecting or transmitting a large amount of light  
light yellow         Compare       medium       2       dark       2  
30      (Phonetics)   relating to or denoting an (l) pronounced with front vowel resonance; clear  
the French ``l'' is much lighter than that of English         Compare       dark       9  
      vb   , lights, lighting, lighted, lit  
31    to ignite or cause to ignite  
32    often foll by: up   to illuminate or cause to illuminate  
33    to make or become cheerful or animated  
34    tr   to guide or lead by light,   (See also)        lights   1       light up  
     (Old English leoht; related to Old High German lioht, Gothic liuhath, Latin lux)  
  lightish      adj  
  lightless      adj  
light          [2]  
      adj  
1    not heavy; weighing relatively little  
2    having relatively low density  
magnesium is a light metal     
3    lacking sufficient weight; not agreeing with standard or official weights  
4    not great in degree, intensity, or number  
light rain, a light eater     
5    without burdens, difficulties, or problems; easily borne or done  
a light heart, light work     
6    graceful, agile, or deft  
light fingers     
7    not bulky or clumsy  
8    not serious or profound; entertaining  
light verse     
9    without importance or consequence; insignificant  
no light matter     
10    frivolous or capricious  
11    loose in morals  
12    dizzy or unclear  
a light head     
13    (of bread, cake, etc.) spongy or well leavened  
14    easily digested  
a light meal     
15    relatively low in alcoholic content  
a light wine     
16    (of a soil) having a crumbly texture  
17      (of a vessel, lorry, etc.)  
a    designed to carry light loads  
b    not loaded  
18    carrying light arms or equipment  
light infantry     
19    (of an industry) engaged in the production of small consumer goods using light machinery  
   Compare       heavy       10  
20      (Aeronautics)   (of an aircraft) having a maximum take-off weight less than 5670 kilograms (12500 pounds)  
21      (Chem)   (of an oil fraction obtained from coal tar) having a boiling range between about 100° and 210°C  
22    (of a railway) having a narrow gauge, or in some cases a standard gauge with speed or load restrictions not applied to a main line  
23      (Bridge)  
a    (of a bid) made on insufficient values  
b    (of a player) having failed to take sufficient tricks to make his contract  
24      (Phonetics, prosody)   (of a syllable, vowel, etc.) unaccented or weakly stressed; short  
   Compare       heavy       13  
  
See also  
     light          1       30  
25      (Phonetics)   the least of three levels of stress in an utterance, in such languages as English  
26    light on  
Informal   lacking a sufficient quantity of (something)  
27    make light of   to treat as insignificant or trifling  
      adv  
28       a less common word for       lightly  
29    with little equipment, baggage, etc.  
to travel light     
      vb   , lights, lighting, lighted, lit   intr  
30    (esp. of birds) to settle or land after flight  
31    to get down from a horse, vehicle, etc.  
32    foll by: on or upon   to come upon unexpectedly  
33    to strike or fall on  
the choice lighted on me        (See also)        light into       light out       lights   2  
     (Old English leoht; related to Dutch licht, Gothic leihts)  
  lightish      adj  
  lightly      adv  
  lightness      n  
Light  
      n  
1    God regarded as a source of illuminating grace and strength  
2      (Quakerism)      short for       Inner Light  
light air  
      n   very light air movement of force one on the Beaufort scale  
light box  
      n   a light source contained in a box and covered with a diffuser, used for viewing photographic transparencies, negatives, etc.  
light breeze  
      n   a very light wind of force two on the Beaufort scale  
light bulb  
      n   a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it,   (Sometimes shortened to)    bulb  
light-emitting diode  
      n   a diode of semiconductor material, such as gallium arsenide, that emits light when a forward bias is applied, the colour depending on the semiconductor material: used as off/on indicators,   (Abbrev.)    LED  
light engine  
      n   a railway locomotive in motion without drawing any carriages or wagons,   (U.S. equivalent)    wildcat  
light face  
      n  
1      (Printing)   a weight of type characterized by light thin lines  
   Compare       bold face  
      adj     (also)   
  light-faced  
2    (of type) having this weight  
light-fast  
      adj   (of a dye or dyed article) unaffected by light  
light-fingered  
      adj   having nimble or agile fingers, esp. for thieving or picking pockets  
  light-fingeredness      n  
light flyweight  
      n  
a    an amateur boxer weighing not more than 48 kg (106 pounds)  
b    (as modifier)  
a light-flyweight fight     
light-footed  
      adj   having a light or nimble tread  
  light-footedly      adv  
  light-footedness      n  
light-headed  
      adj  
1    frivolous in disposition or behaviour  
2    giddy; feeling faint or slightly delirious  
  light-headedly      adv  
  light-headedness      n  
light-hearted  
      adj   cheerful or carefree in mood or disposition  
  light-heartedly      adv  
  light-heartedness      n  
light heavyweight  
      n  
1      (Also called (in Britain))    cruiserweight  
a    a professional boxer weighing 160--175 pounds (72.5--79.5 kg)  
b    an amateur boxer weighing 75--81 kg (165--179 pounds)  
c    (as modifier)  
a light-heavyweight bout     
2    a wrestler in a similar weight category (usually 192--214 pounds (87--97 kg))  
light horse  
      n   lightly armed and highly mobile cavalry  
  light-horseman      n  
light into  
      vb   intr, prep  
Informal   to assail physically or verbally  
light meter  
      n      another name for       exposure meter  
light middleweight  
      n  
a    an amateur boxer weighing 67--71 kg (148--157 pounds)  
b    (as modifier)  
a light-middleweight bout         Compare       junior middleweight  
light music  
      n   music for popular entertainment  
light opera  
      n      another term for       operetta  
light out  
      vb   intr, adv  
Informal   to depart quickly, as if being chased  
light pen  
      n     (Computing)  
a    a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at  
b    a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface  
light pollution  
      n   the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars  
light rail  
      n   a transport system using small trains or trams, often serving parts of a large metropolitan area  
light reaction  
      n     (Botany)   the stage of photosynthesis during which light energy is absorbed by chlorophyll and transformed into chemical energy stored in ATP  
   Compare       dark reaction  
light-sensitive  
      adj     (Physics)   (of a surface) having a photoelectric property, such as the ability to generate a current, change its electrical resistance, etc., when exposed to light  
light show  
      n   a kaleidoscopic display of moving lights, etc., projected onto a screen, esp. during pop concerts  
light table  
      n     (Printing)   a translucent surface of ground glass or a similar substance, illuminated from below and used for the examination of positive or negative film, and for the make-up of photocomposed pages  
light trap  
      n   any mechanical arrangement that allows some form of movement to take place while excluding light, such as a light-proof door or the lips of a film cassette  
light up  
      vb   adv  
1    to light a cigarette, pipe, etc.  
2    to illuminate or cause to illuminate  
3    to make or become cheerful or animated  
light water  
      n   a name for water (H2O), as distinct from heavy water  
light welterweight  
      n  
a    an amateur boxer weighing 60--63.5 kg (132--140 pounds)  
b    (as modifier)  
the light welterweight champion         Compare       junior welterweight  
light year  
      n   a unit of distance used in astronomy, equal to the distance travelled by light in one year, i.e. 9.4607x1012 kilometres or 0.3066 parsecs  
night-light  
      n   a dim light burning at night, esp. for children  
pilot light  
      n  
1    a small auxiliary flame that ignites the main burner of a gas appliance when the control valve opens  
2    a small electric light used as an indicator  
range light  
      n     (Nautical)  
1    one of a pattern of navigation lights, usually fixed ashore, used by vessels for manoeuvring in narrow channels at night  
2    one of a distinctive pattern of lights shown at night on the masts of a powered vessel, such as a tugboat, to aid in identifying its size, number of barges in tow, etc.  
rear light   , lamp  
      n   a red light, usually one of a pair, attached to the rear of a motor vehicle,   (Also called)    tail-light, tail lamp  
red light  
      n  
1    a signal to stop, esp. a red traffic signal in a system of traffic lights  
2    a danger signal  
3    an instruction to stop or discontinue  
4   
a    a red lamp in a window of or outside a house indicating that it is a brothel  
b    (as modifier)  
a red-light district     
reversing light  
      n   a light on the rear of a motor vehicle to warn others that the vehicle is being reversed  
running light  
      n     (Nautical)   one of several white, red, or green lights displayed by vessels operating at night  
rush light   , candle  
      n   a narrow candle, formerly in use, made of the pith of various types of rush dipped in tallow  
sweetness and light  
      n   an apparently affable reasonableness  
     (C19: adopted by Matthew Arnold from Swift's Battle of the Books (1704))  
tail-light   , tail lamp  
      n      other names for       rear light  
traffic light   , signal  
      n   one of a set of coloured lights placed at crossroads, junctions, etc., to control the flow of traffic. A red light indicates that traffic must stop and a green light that it may go: usually an amber warning light is added between the red and the green  
Very light  
      n   a coloured flare fired from a special pistol (Very pistol) for signalling at night, esp. at sea  
     (C19: named after Edward W. Very (1852--1910), US naval ordnance officer)  
vigil light  
      n     (Chiefly R.C. Church)  
1    a small candle lit as an act of personal devotion before a shrine or statue, usually in a church  
2    a small lamp kept permanently burning before such a shrine or statue  
wax light  
      n   a candle or taper of wax  
white light  
      n   light that contains all the wavelengths of visible light at approximately equal intensities, as in sunlight or the light from white-hot solids  
zodiacal light  
      n   a very faint cone of light in the sky, visible in the east just before sunrise and in the west just after sunset. It is probably due to the reflection of sunlight from cosmic dust in the plane of the ecliptic  

English Collins Dictionary - English Definition & Thesaurus  

Collins
Light         
      n  
1    God regarded as a source of illuminating grace and strength  
2      (Quakerism)      short for       Inner Light  


arc light  
      n   a light source in which an arc between two electrodes, usually carbon, produces intense white illumination,   (Also called)    arc lamp  
back light  
      n   light falling on a photographic or television subject from the rear  
back-up light  
      n      a U.S. and Canadian name for       reversing light  
Bengal light  
      n   a firework or flare that burns with a steady bright blue light, formerly used as a signal  
black light  
      n   the invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum  
brake light  
      n   a red light attached to the rear of a motor vehicle that lights up when the brakes are applied, serving as a warning to following drivers,   (Also called)    stoplight  
calcium light  
      n      another name for       limelight  
cold light  
      n   light emitted at low temperatures from a source that is not incandescent, such as fluorescence, phosphorescence, bioluminescence, or triboluminescence  
courtesy light  
      n   the interior light in a motor vehicle  
fill light  
      n     (Photog)   a light that supplements the key light without changing its character, used esp. to lighten shadows  
first light  
      n   the time when light first appears in the morning; dawn  
flame-arc light  
      n     (Electrical engineering)   an arc light that uses flame carbons to colour the arc  
fly-by-light  
      n   aircraft control through systems operated by optical fibres rather than mechanical rods,   (Abbrev.)    FBL  
green light  
      n  
1    a signal to go, esp. a green traffic light  
2    permission to proceed with a project  
      vb  
  greenlight   , -lights, -lighting, -lighted   tr  
3    to permit (a project, etc.) to proceed  
half-light  
      n   a dim light, as at dawn or dusk  
Inner Light   , Word  
      n     (Quakerism)   the presence and inner working of God in the soul acting as a guiding spirit that is superior even to Scripture and unites man to Christ  
key light  
      n     (Television, photog, etc.)   the main stage or studio light that gives the required overall intensity of illumination  
klieg light  
      n   an intense carbon-arc light used for illumination in producing films  
     (C20: named after John H. Kliegl (1869--1959) and his brother Anton (1872--1927), German-born American inventors in the field of lighting)  
leading light  
      n  
1    an important or outstanding person, esp. in an organization or cause  
2      (Nautical)      a less common term for       range light  
light   [1]  
      n  
1    the medium of illumination that makes sight possible  
2      (Also called)    visible radiation   electromagnetic radiation that is capable of causing a visual sensation and has wavelengths from about 380 to about 780 nanometres  
3    not in technical usage   electromagnetic radiation that has a wavelength outside this range, esp. ultraviolet radiation  
ultraviolet light     
4    the sensation experienced when electromagnetic radiation within the visible spectrum falls on the retina of the eye  
   Related prefix       photo-  
5    anything that illuminates, such as a lamp or candle  
6       See       traffic light  
7    a particular quality or type of light  
a good light for reading     
8   
a    illumination from the sun during the day; daylight  
b    the time this appears; daybreak; dawn  
9    anything that allows the entrance of light, such as a window or compartment of a window  
10    the condition of being visible or known (esp. in the phrases bring or come to light)  
11    an aspect or view  
he saw it in a different light     
12    mental understanding or spiritual insight  
13    a person considered to be an authority or leader  
14    brightness of countenance, esp. a sparkle in the eyes  
15   
a    the act of igniting or kindling something, such as a cigarette  
b    something that ignites or kindles, esp. in a specified manner, such as a spark or flame  
c    something used for igniting or kindling, such as a match  
16       See       lighthouse  
17   
a    the effect of illumination on objects or scenes, as created in a picture  
b    an area of brightness in a picture, as opposed to shade  
18       a poetic or archaic word for       eyesight  
19    the answer to a clue in a crossword  
20    in (the) light of   in view of; taking into account; considering  
21    light at the end of the tunnel   hope for the ending of a difficult or unpleasant situation  
22    out like a light   quickly asleep or unconscious  
23    see the light  
a    to gain sudden insight into or understanding of something  
b    to experience a religious conversion  
24    see the light (of day)  
a    to come into being  
b    to come to public notice  
25    shed (or throw) light on   to clarify or supply additional information on  
26    stand in a person's light   to stand so as to obscure a person's vision  
27    strike a light  
a    vb   to ignite something, esp. a match, by friction  
b    interj     (Brit)   an exclamation of surprise  
      adj  
28    full of light; well-lighted  
29    (of a colour) reflecting or transmitting a large amount of light  
light yellow         Compare       medium       2       dark       2  
30      (Phonetics)   relating to or denoting an (l) pronounced with front vowel resonance; clear  
the French ``l'' is much lighter than that of English         Compare       dark       9  
      vb   , lights, lighting, lighted, lit  
31    to ignite or cause to ignite  
32    often foll by: up   to illuminate or cause to illuminate  
33    to make or become cheerful or animated  
34    tr   to guide or lead by light,   (See also)        lights   1       light up  
     (Old English leoht; related to Old High German lioht, Gothic liuhath, Latin lux)  
  lightish      adj  
  lightless      adj  
light   [2]  
      adj  
1    not heavy; weighing relatively little  
2    having relatively low density  
magnesium is a light metal     
3    lacking sufficient weight; not agreeing with standard or official weights  
4    not great in degree, intensity, or number  
light rain, a light eater     
5    without burdens, difficulties, or problems; easily borne or done  
a light heart, light work     
6    graceful, agile, or deft  
light fingers     
7    not bulky or clumsy  
8    not serious or profound; entertaining  
light verse     
9    without importance or consequence; insignificant  
no light matter     
10    frivolous or capricious  
11    loose in morals  
12    dizzy or unclear  
a light head     
13    (of bread, cake, etc.) spongy or well leavened  
14    easily digested  
a light meal     
15    relatively low in alcoholic content  
a light wine     
16    (of a soil) having a crumbly texture  
17      (of a vessel, lorry, etc.)  
a    designed to carry light loads  
b    not loaded  
18    carrying light arms or equipment  
light infantry     
19    (of an industry) engaged in the production of small consumer goods using light machinery  
   Compare       heavy       10  
20      (Aeronautics)   (of an aircraft) having a maximum take-off weight less than 5670 kilograms (12500 pounds)  
21      (Chem)   (of an oil fraction obtained from coal tar) having a boiling range between about 100° and 210°C  
22    (of a railway) having a narrow gauge, or in some cases a standard gauge with speed or load restrictions not applied to a main line  
23      (Bridge)  
a    (of a bid) made on insufficient values  
b    (of a player) having failed to take sufficient tricks to make his contract  
24      (Phonetics, prosody)   (of a syllable, vowel, etc.) unaccented or weakly stressed; short  
   Compare       heavy       13  
  
See also  
    light   1       30  
25      (Phonetics)   the least of three levels of stress in an utterance, in such languages as English  
26    light on  
Informal   lacking a sufficient quantity of (something)  
27    make light of   to treat as insignificant or trifling  
      adv  
28       a less common word for       lightly  
29    with little equipment, baggage, etc.  
to travel light     
      vb   , lights, lighting, lighted, lit   intr  
30    (esp. of birds) to settle or land after flight  
31    to get down from a horse, vehicle, etc.  
32    foll by: on or upon   to come upon unexpectedly  
33    to strike or fall on  
the choice lighted on me        (See also)        light into       light out       lights   2  
     (Old English leoht; related to Dutch licht, Gothic leihts)  
  lightish      adj  
  lightly      adv  
  lightness      n  
light air  
      n   very light air movement of force one on the Beaufort scale  
light box  
      n   a light source contained in a box and covered with a diffuser, used for viewing photographic transparencies, negatives, etc.  
light breeze  
      n   a very light wind of force two on the Beaufort scale  
light bulb  
      n   a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it,   (Sometimes shortened to)    bulb  
light-emitting diode  
      n   a diode of semiconductor material, such as gallium arsenide, that emits light when a forward bias is applied, the colour depending on the semiconductor material: used as off/on indicators,   (Abbrev.)    LED  
light engine  
      n   a railway locomotive in motion without drawing any carriages or wagons,   (U.S. equivalent)    wildcat  
light face  
      n  
1      (Printing)   a weight of type characterized by light thin lines  
   Compare       bold face  
      adj     (also)   
  light-faced  
2    (of type) having this weight  
light-fast  
      adj   (of a dye or dyed article) unaffected by light  
light-fingered  
      adj   having nimble or agile fingers, esp. for thieving or picking pockets  
  light-fingeredness      n  
light flyweight  
      n  
a    an amateur boxer weighing not more than 48 kg (106 pounds)  
b    (as modifier)  
a light-flyweight fight     
light-footed  
      adj   having a light or nimble tread  
  light-footedly      adv  
  light-footedness      n  
light-headed  
      adj  
1    frivolous in disposition or behaviour  
2    giddy; feeling faint or slightly delirious  
  light-headedly      adv  
  light-headedness      n  
light-hearted  
      adj   cheerful or carefree in mood or disposition  
  light-heartedly      adv  
  light-heartedness      n  
light heavyweight  
      n  
1      (Also called (in Britain))    cruiserweight  
a    a professional boxer weighing 160--175 pounds (72.5--79.5 kg)  
b    an amateur boxer weighing 75--81 kg (165--179 pounds)  
c    (as modifier)  
a light-heavyweight bout     
2    a wrestler in a similar weight category (usually 192--214 pounds (87--97 kg))  
light horse  
      n   lightly armed and highly mobile cavalry  
  light-horseman      n  
light into  
      vb   intr, prep  
Informal   to assail physically or verbally  
light meter  
      n      another name for       exposure meter  
light middleweight  
      n  
a    an amateur boxer weighing 67--71 kg (148--157 pounds)  
b    (as modifier)  
a light-middleweight bout         Compare       junior middleweight  
light music  
      n   music for popular entertainment  
light opera  
      n      another term for       operetta  
light out  
      vb   intr, adv  
Informal   to depart quickly, as if being chased  
light pen  
      n     (Computing)  
a    a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at  
b    a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface  
light pollution  
      n   the glow from street and domestic lighting that obscures the night sky and hinders the observation of faint stars  
light rail  
      n   a transport system using small trains or trams, often serving parts of a large metropolitan area  
light reaction  
      n     (Botany)   the stage of photosynthesis during which light energy is absorbed by chlorophyll and transformed into chemical energy stored in ATP  
   Compare       dark reaction  
light-sensitive  
      adj     (Physics)   (of a surface) having a photoelectric property, such as the ability to generate a current, change its electrical resistance, etc., when exposed to light  
light show  
      n   a kaleidoscopic display of moving lights, etc., projected onto a screen, esp. during pop concerts  
light table  
      n     (Printing)   a translucent surface of ground glass or a similar substance, illuminated from below and used for the examination of positive or negative film, and for the make-up of photocomposed pages  
light trap  
      n   any mechanical arrangement that allows some form of movement to take place while excluding light, such as a light-proof door or the lips of a film cassette  
light up  
      vb   adv  
1    to light a cigarette, pipe, etc.  
2    to illuminate or cause to illuminate  
3    to make or become cheerful or animated  
light water  
      n   a name for water (H2O), as distinct from heavy water  
light welterweight  
      n  
a    an amateur boxer weighing 60--63.5 kg (132--140 pounds)  
b    (as modifier)  
the light welterweight champion         Compare       junior welterweight  
light year  
      n   a unit of distance used in astronomy, equal to the distance travelled by light in one year, i.e. 9.4607x1012 kilometres or 0.3066 parsecs  
night-light  
      n   a dim light burning at night, esp. for children  
pilot light  
      n  
1    a small auxiliary flame that ignites the main burner of a gas appliance when the control valve opens  
2    a small electric light used as an indicator  
range light  
      n     (Nautical)  
1    one of a pattern of navigation lights, usually fixed ashore, used by vessels for manoeuvring in narrow channels at night  
2    one of a distinctive pattern of lights shown at night on the masts of a powered vessel, such as a tugboat, to aid in identifying its size, number of barges in tow, etc.  
rear light   , lamp  
      n   a red light, usually one of a pair, attached to the rear of a motor vehicle,   (Also called)    tail-light, tail lamp  
red light  
      n  
1    a signal to stop, esp. a red traffic signal in a system of traffic lights  
2    a danger signal  
3    an instruction to stop or discontinue  
4   
a    a red lamp in a window of or outside a house indicating that it is a brothel  
b    (as modifier)  
a red-light district     
reversing light  
      n   a light on the rear of a motor vehicle to warn others that the vehicle is being reversed  
running light  
      n     (Nautical)   one of several white, red, or green lights displayed by vessels operating at night  
rush light   , candle  
      n   a narrow candle, formerly in use, made of the pith of various types of rush dipped in tallow  
sweetness and light  
      n   an apparently affable reasonableness  
     (C19: adopted by Matthew Arnold from Swift's Battle of the Books (1704))  
tail-light   , tail lamp  
      n      other names for       rear light  
traffic light   , signal  
      n   one of a set of coloured lights placed at crossroads, junctions, etc., to control the flow of traffic. A red light indicates that traffic must stop and a green light that it may go: usually an amber warning light is added between the red and the green  
Very light  
      n   a coloured flare fired from a special pistol (Very pistol) for signalling at night, esp. at sea  
     (C19: named after Edward W. Very (1852--1910), US naval ordnance officer)  
vigil light  
      n     (Chiefly R.C. Church)  
1    a small candle lit as an act of personal devotion before a shrine or statue, usually in a church  
2    a small lamp kept permanently burning before such a shrine or statue  
wax light  
      n   a candle or taper of wax  
white light  
      n   light that contains all the wavelengths of visible light at approximately equal intensities, as in sunlight or the light from white-hot solids  
zodiacal light  
      n   a very faint cone of light in the sky, visible in the east just before sunrise and in the west just after sunset. It is probably due to the reflection of sunlight from cosmic dust in the plane of the ecliptic  

English Collins Dictionary - English Definition & Thesaurus  

Collins
light         

[

1]  

      n  
1    blaze, brightness, brilliance, effulgence, flash, glare, gleam, glint, glow, illumination, incandescence, lambency, luminescence, luminosity, lustre, phosphorescence, radiance, ray, refulgence, scintillation, shine, sparkle  
2    beacon, bulb, candle, flare, lamp, lantern, lighthouse, star, taper, torch, windowpane  
3    broad day, cockcrow, dawn, daybreak, daylight, daytime, morn     (poetic)   morning, sun, sunbeam, sunrise, sunshine  
4      (figurative)   angle, approach, aspect, attitude, context, interpretation, point of view, slant, vantage point, viewpoint  
5    awareness, comprehension, elucidation, explanation, illustration, information, insight, knowledge, understanding  
6    example, exemplar, guiding light, model, paragon, shining example  
7    flame, lighter, match  
8    bring to light      disclose, discover, expose, reveal, show, uncover, unearth, unveil  
9    come to light      appear, be disclosed, be discovered, be revealed, come out, transpire, turn up  
10    in (the) light of      bearing in mind, because of, considering, in view of, taking into account, with knowledge of  
11    shed or throw light on      clarify, clear up, elucidate, explain, simplify  
      adj  
12    aglow, bright, brilliant, glowing, illuminated, luminous, lustrous, shining, sunny, well-lighted, well-lit  
13    bleached, blond, faded, fair, light-hued, light-toned, pale, pastel  
      vb  
14    fire, ignite, inflame, kindle, set a match to, torch  
15    brighten, clarify, floodlight, flood with light, illuminate, illumine, irradiate, lighten, light up, put on, switch on, turn on  
16    animate, brighten, cheer, irradiate, lighten  
  
Antonyms     
,       n   cloud, dark, darkness, dusk, mystery, obscurity, shade, shadow  
      adj   dark, deep, dim, dusky, gloomy  
      vb   cloud, darken, douse, dull, extinguish, put out, quench  

English Collins Dictionary - English synonyms & Thesaurus  

Collins
light          [2]  
      adj  
1    airy, buoyant, delicate, easy, flimsy, imponderous, insubstantial, lightsome, lightweight, portable, slight, underweight  
2    faint, gentle, indistinct, mild, moderate, slight, soft, weak  
3    inconsequential, inconsiderable, insignificant, minute, scanty, slight, small, thin, tiny, trifling, trivial, unsubstantial, wee  
4    cushy     (informal)   easy, effortless, manageable, moderate, simple, undemanding, unexacting, untaxing  
5    agile, airy, graceful, light-footed, lithe, nimble, sprightly, sylphlike  
6    amusing, diverting, entertaining, frivolous, funny, gay, humorous, light-hearted, pleasing, superficial, trifling, trivial, witty  
7    airy, animated, blithe, carefree, cheerful, cheery, fickle, frivolous, gay, lively, merry, sunny  
8    dizzy, giddy, light-headed, reeling, unsteady, volatile  
9    digestible, frugal, modest, not heavy, not rich, restricted, small  
10    crumbly, friable, loose, porous, sandy, spongy  
      vb  
11    alight, land, perch, settle  
12      (with)       on or upon   chance, come across, discover, encounter, find, happen upon, hit upon, stumble on  
  
Antonyms     
,       adj  
1    heavy  
2    forceful, strong  
3    deep, profound, serious, weighty  
4    burdensome, strenuous  
5    clumsy  
6 & 7    serious, sombre  
9    intense, rich, substantial  
10    hard, strong  

English Collins Dictionary - English synonyms & Thesaurus  

bubblegum light n.
vintage light on police car, i.e. a single dome with rotating lights inside. Thus nicknamed because of it's resemblance with bubblegum machines.
[US];[Coll.] Syn. bubble gum machine, gumball machine.

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billyboy:

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Collaborative Dictionary     English Definition
n.
The specular reflection of light from the surface of an eye in a photograph visible as a bright white spot on the eye.
The separate lights of the studio flash kit should be positioned so that the portrait exhibits only one catchlight per eye.
n.
light snowfall during spring
[UK]
v.
to look for or expose information about a person's past, usually bad, and to therefore bring that person down or put them in a bad light
n.
A specific technical worksheet tool with performer's requirements. Excellent start of negotiations between performers, managers and contractors. (These requirements might include sound and light conditions for the show, food lodging and transportation of artistic talents)
n.
1) Light sesame seed oil 2) Sesame seeds from Hindi jingali
n.
having a changeable luster or color with an undulating narrow band of white light
exp.
sleep for a short period of time, have a light sleep
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