Definition of ray - Reverso English Dictionary
Noun
1.
lightnarrow beam of light or radiation
- A ray of sunlight broke through the clouds.
2.
marineflat-bodied fish with wide fins
- We saw a ray swimming near the coral reef.
3.
botanyTECH. radiating part of a flower or plantTECH.
- The ray of the sunflower was bright yellow.
4.
emotionsmall amount of hope or positivity
- There was a ray of hope in the difficult situation.
5.
mathematicsTECH. line extending from a pointTECH.
- In geometry, a ray starts at a point and extends infinitely.
Verb
1.
physicsintr. emit light or energy in raysintr.
- The lighthouse rays its light across the sea.
2.
outward linesintr. TECH. radiate outward from a centerintr. TECH.
- The sun rays warmth to the earth.
3.
medicaltr. TECH. expose to radiation for treatmenttr. TECH.
- The doctor rayed the tumor with precision.
Images of ray

flat-bodied fish with wide fins
Expressions with ray
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small sign that a situation may improve
In dark times, a single ray of hope can be incredibly uplifting..
something or someone that brings happiness
Her cheerful attitude was a true ray of sunshine on a gloomy day..
small amount of hope or happiness
Her smile was a ray of light in his gloomy day.
product size gets smaller but price stays the same
The grocery shrink ray made the cereal box smaller.
picture made using X-rays
The doctor examined the X-ray of my arm.
narrow beam of light from the sun
A ray of sunlight broke through the clouds.
fictional weapon that emits energy beams
He aimed the ray gun at the alien invader..
ray not visible but feels warm
The infrared ray warmed the room.
imaginary energy beam that kills people in stories
The villain threatened the city with his death ray.
fictional weapon emitting intense heat
The alien ship fired a heat ray at the city.
large tropical ray with winglike fins and horn-like head fins
A manta ray glided gracefully through the clear water.
large sea fish with winglike fins and a long tail
The eagle ray glided gracefully through the water.
thin beam of light seen shining in one clear direction
A light ray slipped through the curtains and woke her up.
stream of high-energy particles from space
Cosmic rays can affect satellite operations.
large sea ray with horn-like fins, genus Mobula
A devil ray swam gracefully near the boat.
ray with electric organs near the head
The electric ray stunned its prey with a shock.
radiation of fast electrons or positrons from radioactive substances
Beta ray is emitted during radioactive decay.
very high energy electromagnetic radiation from radioactivity
Gamma rays are used in cancer treatment.
technique in computer graphics for generating images by tracing paths of light
Ray tracing allows for realistic lighting and shadows in video games..
large ray with white or yellow spots living in warm seas
The spotted eagle ray glided gracefully through the tropical waters.
electromagnetic radiation causing photochemical reactions
Actinic rays are used in developing photographs.
ionizing radiation made of fast alpha particles from a source
Alpha ray can damage living cells if not shielded.
marine ray fish with broad fins and a short tail
The butterfly ray glided over the sandy ocean floor.
marine ray with a head shaped like a cow's nose
The cownose ray swims gracefully near the ocean floor.
Origin of ray
Old French, rai (beam of light)
Terms with ray included in their meaning
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light
ray of light
optics
narrow ray of illumination traveling from a source, seen as a line
focused ray
device emitting a concentrated beam of light
nature
visible ray of sunlight
sun
beam or ray of light
light
emit light or a ray suddenly
optics
angle between reflected ray and perpendicular line
literature
novel by Ray Bradbury
marine
large ray with triangular fins and horn-shaped cephalic fins
moonlight
ray of light from the moon
physics
thin ray of light or other energy focused into a small angle
computer hardware
hardware component for accessing CDs DVDs and Blu-ray discs
electronic display
television set with a cathode ray display
song title
famous song by Ray Charles
medical
X-ray image of breast tissue for cancer screening
medical
X-ray examination of breasts to find abnormalities
medical
X-ray image of blood vessels after contrast injection
mathematics
line or ray that divides an angle into two equal parts
optics
angle between incoming ray and surface normal
optics
angle between refracted ray and perpendicular line
medical
person trained to take X-ray images for medical diagnosis
sci-fi weapon
destroy something by a ray, turning it into tiny particles
botany
consisting of ray florets in a flower head
medical
view internal structures using X-ray technology
Examples of ray in a sentence
Scientists measured the ray of gamma radiation in the lab. A ray glided gracefully under the boat. Divers often encounter a ray in these waters. The daisy's ray was delicate and white. Each ray of the daffodil added to its charm. A ray of optimism shone through the gloom.
His smile brought a ray of joy to her day. A ray in math has a fixed starting point. The diagram showed a ray extending from point A. The sun rays its warmth on Earth. Stars ray their light across the universe. Light rays from the lamp across the room. The lighthouse rays its beam across the sea. They rayed the affected area to reduce pain. The technician rayed the sample for analysis.
View all translations of ray
Click below to see the appropriate translations facing each meaning.
- French:rayon, rayonner, ...
- German:Lichtstrahl, strahlen, ...
- Italian:raggio, emettere, ...
- Spanish:rayo, emitir, ...
- Portuguese:raio, emitir, ...
- Chinese:光束, 发出, ...
- Japanese:光線, 放つ, ...
- Arabic:شُعَاع, أَشَعَّ, ...
- Hebrew:קֶרֶן, לְהַקְרִין, ...
- Russian:луч, излучать, ...
- Ukrainian:промінь, випромінювати, ...
- Hindi:किरण, प्रकाश फैलाना, ...
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