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double

  

      adj   usually prenominal  
1    as much again in size, strength, number, etc.  
a double portion     
2    composed of two equal or similar parts; in a pair; twofold  
a double egg cup     
3    designed for two users  
a double room     
4    folded in two; composed of two layers  
double paper     
5    stooping; bent over  
6    having two aspects or existing in two different ways; ambiguous  
a double meaning     
7    false, deceitful, or hypocritical  
a double life     
8    (of flowers) having more than the normal number of petals  
9      (Maths)  
a    (of a root) being one of two equal roots of a polynomial equation  
b    (of an integral) having an integrand containing two independent variables requiring two integrations, in each of which one variable is kept constant  
10      (Music)  
a    (of an instrument) sounding an octave lower than the pitch indicated by the notation  
a double bass     
b    (of time) duple, usually accompanied by the direction alla breve  
      adv  
11    twice over; twofold  
12    two together; two at a time (esp. in the phrase see double)  
      n  
13    twice the number, amount, size, etc.  
14    a double measure of spirits, such as whisky or brandy  
15    a duplicate or counterpart, esp. a person who closely resembles another; understudy  
16    a wraith or ghostly apparition that is the exact counterpart of a living person; doppelgänger  
17    a sharp turn, esp. a return on one's own tracks  
18    an evasive shift or artifice; trick  
19    an actor who plays two parts in one play  
20      (Bridge)   a call that increases certain scoring points if the last preceding bid becomes the contract  
21      (Billiards, etc.)   a strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket  
22    a bet on two horses in different races in which any winnings from the horse in the first race are placed on the horse in the later race  
23    often cap     (Chiefly R.C. Church)   one of the higher-ranking feasts on which the antiphons are recited both before and after the psalms  
24      (Music)   an ornamented variation in 16th and 17th century music  
25      (Also called)    double time   a pace of twice the normal marching speed  
26      (Tennis)      See       double fault  
27   
a    the narrow outermost ring on a dartboard  
b    a hit on this ring  
28    at or on the double  
a    at twice normal marching speed  
b    quickly or immediately  
      vb  
29    to make or become twice as much  
30    to bend or fold (material, a bandage, etc.)  
31    tr; sometimes foll by: up   to clench (a fist)  
32    tr; often foll by: together or up   to join or couple  
he doubled up the team     
33    tr   to repeat exactly; copy  
34    intr   to play two parts or serve two roles  
35    intr   to turn sharply; follow a winding course  
36      (Nautical)   to sail around (a headland or other point)  
37      (Music)  
a    to duplicate (a voice or instrumental part) either in unison or at the octave above or below it  
b    intr; usually foll by: on   to be capable of performing (upon an instrument additional to one's normal one)  
the third trumpeter doubles on cornet     
38      (Bridge)   to make a call that will double certain scoring points if the preceding bid becomes the contract  
39      (Billiards, etc.)   to cause (a ball) to rebound or (of a ball) to rebound from a cushion across or up or down the table  
40      (Chess)  
a    to cause two pawns of the same colour to be on the same file  
b    to place both rooks of the same colour on the same rank or the same file  
41    intr; foll by: for   to act as substitute (for an actor or actress)  
42    intr   to go or march at twice the normal speed,   (See also)        double back       doubles       double up  
     (C13: from Old French, from Latin duplus twofold, from duo two + -plus -fold)  
  doubleness      n  
  doubler      n  


body double  
      n     (Films)   a person who substitutes for a star for the filming of a scene that involves shots of the body rather than the face  
daily double  
      n     (Horse racing)   a single bet on the winners of two named races in any one day's racing  
double-acting  
      adj  
1    (of a reciprocating engine or pump) having a piston or pistons that are pressurized alternately on opposite sides  
   Compare       single-acting  
2    (of a hinge, door, etc.) having complementary actions in opposed directions  
double agent  
      n   a spy employed by two mutually antagonistic countries, companies, etc.  
double-aspect theory  
      n     (Philosophy)   a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance  
double back  
      vb   intr, adv   to go back in the opposite direction (esp. in the phrase to double back on one's tracks)  
double-bank  
      vb     (Austral. and N.Z.)  
informal   to carry a second person on (a horse, bicycle, etc.),   (Also)    dub  
double bar  
      n     (Music)   a symbol, consisting of two ordinary bar lines or a single heavy one, that marks the end of a composition or a section within it  
double-barrelled   ,   (U.S.)   double-barreled  
      adj  
1    (of a gun) having two barrels  
2    extremely forceful or vehement  
3      (Brit)   (of a surname) having hyphenated parts  
4    serving two purposes; ambiguous  
a double-barrelled remark     
double bass  
      n  
1      (Also called (U.S.))    bass viol   a stringed instrument, the largest and lowest member of the violin family. Range: almost three octaves upwards from E in the space between the fourth and fifth leger lines below the bass staff. It is normally bowed in classical music, but it is very common in a jazz or dance band, where it is practically always played pizzicato,   (Informal name)    bass fiddle  
      adj  
  double-bass  
2    of or relating to an instrument whose pitch lies below that regarded as the bass; contrabass  
double bassoon  
      n     (Music)   the lowest and largest instrument in the oboe class; contrabassoon  
double bill  
      n   a programme or event with two main items  
double bind  
      n   a situation of conflict from which there is no escape; unresolvable dilemma  
double-blind  
      adj   of or relating to an experiment to discover reactions to certain commodities, drugs, etc., in which neither the experimenters nor the subjects know the particulars of the test items during the experiments  
   Compare       single-blind  
double boiler  
      n      the U.S. and Canadian name for       double saucepan  
double bond  
      n   a type of chemical bond consisting of two covalent bonds linking two atoms in a molecule  
double-breasted  
      adj   (of a garment) having overlapping fronts such as to give a double thickness of cloth  
double bridle  
      n   a bridle with four reins coming from a bit with two rings on each side  
double-check  
      vb  
1    to check twice or again; verify  
      n  
  double check  
2    a second examination or verification  
3      (Chess)   a simultaneous check from two pieces brought about by moving one piece to give check and thereby revealing a second check from another piece  
double chin  
      n   a fold of fat under the chin  
  double-chinned      adj  
double concerto  
      n   a concerto for two solo instruments  
double cream  
      n   thick cream with a high fat-content  
double cross  
      n   a technique for producing hybrid stock, esp. seed for cereal crops, by crossing the hybrids between two different pairs of inbred lines  
double-cross  
      vb  
1    tr   to cheat or betray  
      n  
2    the act or an instance of double-crossing; betrayal  
  double-crosser      n  
double dagger  
      n   a character (<ddagger>) used in printing to indicate a cross reference, esp. to a footnote,   (Also called)    diesis, double obelisk  
double-dealing  
      n  
a    action characterized by treachery or deceit  
b    (as modifier)  
double-dealing treachery     
  double-dealer      n  
double-decker  
      n  
1      (Chiefly Brit)   a bus with two passenger decks  
2    Informal  
a    a thing or structure having two decks, layers, etc.  
b    (as modifier)  
a double-decker sandwich     
double-declutch  
      vb   intr     (Brit)   to change to a lower gear in a motor vehicle by first placing the gear lever into the neutral position before engaging the desired gear, at the same time releasing the clutch pedal and increasing the engine speed,   (U.S. term)    double-clutch  
double decomposition  
      n   a chemical reaction between two compounds that results in the interchange of one part of each to form two different compounds, as in AgNO3 + KI <arrow> AgI + KNO3,   (Also called)    metathesis  
double density     (Computing)  
      n  
1    a disk with more than the normal capacity for storage  
      adj  
2    (of a floppy disk) having a storage capacity of 360K or 720K, which is double the normal amount  
double digging  
      n     (Brit)   a method of digging ground in a series of trenches two spits deep, mixing the soil of the bottom spit with manure, and then transferring the soil from the top spit of one trench to the top spit of the preceding one  
double-dotted  
      adj     (Music)  
1    (of a note) increased to one and three quarters of its original time value by the addition of two dots  
2    (of a rhythm) characterized by pairs of notes in which the first one, lengthened by two dots, makes up seven eighths of the time value of the pair  
double drummer  
      n     (Austral)  
informal   a type of cicada  
double-dumped  
      adj     (N.Z)   (of a wool bale) compressed, with two bales occupying the volume-equivalent of one ordinary bale  
double Dutch  
      n     (Brit)  
informal   incomprehensible talk; gibberish  
double-dyed  
      adj  
1    confirmed; inveterate  
a double-dyed villain     
2    dyed twice  
double eagle  
      n   a former U.S. gold coin, having a nominal value of 20 dollars  
double-edged  
      adj  
1    acting in two ways; having a dual effect  
a double-edged law     
2    (of a remark, argument, etc.) having two possible interpretations, esp. applicable both for and against or being really malicious though apparently innocuous  
3    (of a sword, knife, etc.) having a cutting edge on either side of the blade  
double entendre     (French)  
      n  
1    a word, phrase, etc., that can be interpreted in two ways, esp. one having one meaning that is indelicate  
2    the type of humour that depends upon such ambiguity  
     (C17: from obsolete French: double meaning)  
double entry  
      n  
a    a book-keeping system in which any commercial transaction is entered as a debit in one account and as a credit in another  
   Compare       single entry  
b    (as modifier)  
double-entry book-keeping     
double exposure  
      n  
1    the act or process of recording two superimposed images on a photographic medium, usually done intentionally to produce a special effect  
2    the photograph resulting from such an act  
double-faced  
      adj  
1    (of textiles) having a finished nap on each side; reversible  
2    insincere or deceitful  
double fault     (Tennis)  
      n  
1    the serving of two faults in succession, thereby losing a point  
      vb  
  double-fault  
2    intr   to serve a double fault  
double feature  
      n     (Films)   a programme showing two full-length films,   (Informal name (U.S.))    twin bill  
double first  
      n     (Brit)   a first-class honours degree in two subjects  
double flat  
      n  
1      (Music)  
a    an accidental that lowers the pitch of the following note two semitones.,   (Usual symbol)    <dflat>
b    a note affected by this accidental  
      adj  
  double-flat  
2    postpositive   denoting a note of a given letter name lowered in pitch by two semitones  
double glazing  
      n  
1    two panes of glass in a window, fitted to reduce the transmission of heat, sound, etc.  
2    the fitting of glass in such a manner  
double Gloucester  
      n   a type of smooth orange-red cheese of mild flavour  
double-header  
      n  
1    a train drawn by two locomotives coupled together to provide extra power  
2      (Also called)    twin bill     (Sport)     (U.S. and Canadian)   two games played consecutively by the same teams or by two different teams  
3      (Austral. and N.Z.)  
informal   a coin with the impression of a head on each side  
4      (Austral)  
informal   a double ice-cream cone  
double-helical gear  
      n      another name for       herringbone gear  
double helix  
      n     (Biochem)   the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis  
double-hung  
      adj   (of a window) having two vertical sashes, the upper one sliding in grooves outside those of the lower  
double indemnity  
      n     (U.S. and Canadian)   (in life assurance policies) a clause providing for the payment of double the policy's face value in the event of the policyholder's accidental death  
double jeopardy  
      n     (Chiefly U.S)   the act of prosecuting a defendant a second time for an offence for which he has already been tried  
double-jointed  
      adj   having unusually flexible joints permitting an abnormal degree of motion of the parts  
double knit  
      n  
a    a knitted material made on two sets of needles that produce a double thickness joined with interlocking stitches  
b    (as modifier)  
a double-knit fabric     
double knitting  
      n  
a    a widely used medium thickness of knitting wool  
b    (as modifier)  
double-knitting wool     
double-minded  
      adj  
Rare   undecided; vacillating  
  double-mindedness      n  
double negation  
      n     (Logic)   the principle that a statement is equivalent to the denial of its negation, as it is not the case that John is not here meaning John is here  
double negative  
      n   a syntactic construction, often considered ungrammatical in standard Modern English, in which two negatives are used where one is needed, as in I wouldn't never have believed it  
There are two contexts where double negatives are found. An adjective with negative force is often used with a negative in order to express a nuance of meaning somewhere between the positive and the negative: he was a not infrequent visitor; it is not an uncommon sight. Two negatives are also found together where they reinforce each other rather than conflict: he never went back, not even to collect his belongings. These two uses of what is technically a double negative are acceptable. A third case, illustrated by I shouldn't wonder if it didn't rain today, has the force of a weak positive statement (I expect it to rain today) and is common in informal English  
double obelisk  
      n      another name for       double dagger  
double or quits  
      n   a game, throw, toss, etc., to decide whether the stake due is to be doubled or cancelled  
double-park  
      vb   to park (a car or other vehicle) alongside or directly opposite another already parked by the roadside, thereby causing an obstruction  
double play  
      n     (Baseball)   a play in which two runners are put out  
double pneumonia  
      n   pneumonia affecting both lungs  
double printing  
      n     (Photog)   the exposure of the same positive photographic emulsion to two or more negatives, resulting in the superimposition of multiple images after development  
double-quick  
      adj  
1    very quick; rapid  
      adv  
2    in a very quick or rapid manner  
double-reed  
      adj   relating to or denoting a wind instrument in which the sounds are produced by air passing over two reeds that vibrate against each other  
double refraction  
      n   the splitting of a ray of unpolarized light into two unequally refracted rays polarized in mutually perpendicular planes,   (Also called)    birefringence  
double salt  
      n   a solid solution of two simple salts formed by crystallizing a solution of the two salts  
   Compare       complex salt  
double saucepan  
      n     (Brit)   a cooking utensil consisting of two saucepans, one fitting inside the other. The bottom saucepan contains water that, while boiling, gently heats food in the upper pan,   (U.S. and Canadian name)    double boiler  
double scull  
      n     (Rowing)   a racing shell in which two scullers sit one behind the other and pull two oars each  
   Compare       pair-oar  
double sharp  
      n  
1      (Music)  
a    an accidental that raises the pitch of the following note by two semitones.,   (Usual symbol)    <dsharp>
b    a note affected by this accidental  
      adj  
2    immediately postpositive   denoting a note of a given letter name raised in pitch by two semitones  
double-space  
      vb   to type (copy) with a full space between lines  
double spread  
      n     (Printing)   two facing pages of a publication treated as a single unit  
double standard  
      n   a set of principles that allows greater freedom to one person or group than to another  
double star  
      n   two stars, appearing close together when viewed through a telescope; either physically associated (see binary star) or not associated (optical double star)  
double-stop  
      vb   , -stops, -stopping, -stopped   to play (two notes or parts) simultaneously on a violin or related instrument by drawing the bow over two strings  
double-system sound recording  
      n     (Films)   a system in which picture and sound are taken simultaneously and the sound is recorded separately on magnetic tape  
double tackle  
      n   a lifting or pulling tackle in which a rope is passed around the twin pulleys of a pair of pulley blocks in sequence  
double take  
      n   (esp. in comedy) a delayed reaction by a person to a remark, situation, etc.  
double talk  
      n  
1    rapid speech with a mixture of nonsense syllables and real words; gibberish  
2    empty, deceptive, or ambiguous talk, esp. by politicians  
double time  
      n  
1    a doubled wage rate, paid for working on public holidays, etc.  
2      (Music)  
a    a time twice as fast as an earlier section  
b    two beats per bar  
3    a slow running pace, keeping in step  
4      (U.S. army)   a fast march of 180 paces to the minute  
      vb  
  double-time  
5    to move or cause to move in double time  
double-tongue  
      vb   , -tongues, -tonguing, -tongued     (Music)   to play (fast staccato passages) on a wind instrument by rapid obstruction and uncovering of the air passage through the lips with the tongue  
   Compare       single-tongue       triple-tongue  
  double tonguing      n  
double-tongued  
      adj   deceitful or hypocritical in speech  
double top  
      n     (Darts)   a score of double 20  
double up  
      vb   adv  
1    to bend or cause to bend in two  
he doubled up with the pain     
2    intr   to share a room or bed designed for one person, family, etc.  
3    intr     (Brit)   to use the winnings from one bet as the stake for another,   (U.S. and Canadian term)    parlay  
optical double star  
      n   two stars that appear close together when viewed through a telescope but are not physically associated and are often separated by a great distance  
   Compare       binary star  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
o.
used to say briefly "www" (instead of "double u, double u, double u")
[Comp.] mostly in spoken language
n.
the study of human action and conduct
exp.
act in accordance with what is set verbally; apply what one's preaching for; double words by action;
often used in combination with "talk the talk".
n.
a field of study searching for ways to prevent global warming by deliberately changing Earth's natural system
n.
1. the art of public speaking in which gesture, vocal production, and delivery are emphasized 2.the study of formal speaking in pronunciation, grammar, style, and tone.

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"