Skip to main content
ray

ray

327 1.0
A narrow line of light like a sunbeam
  • noun
  • /reɪ/
translation icon : rayo
  • And make sure it's positioned to catch the first rays of sun from the east.
  • a ray of light
  • a ray of sunlight
  • an X-ray

The flame was lit by the sun's rays in Greece last week.

Examples

  • A small hole in the cloud allows one ray of sunlight to shine through.

    Fiction book (1990)
  • The flame was lit by the sun's rays in Greece last week.

  • And I guess it gives me a ray of hope, knowing we're so much alike.

    Fiction book (1992)
  • OK, there are light rays which go out to Infinity.

  • So very close to the horizon, the light rays slow down.

  • The climax of the ceremony must coincide... ...with the first rays of the rising sun.

  • The irregular outcrops of bedrock glowed in the eerie rays cast by the bleeding sky.

    Fiction book (1992)
  • The sun's rays filtered through the trees, creating a beautiful pattern on the ground.

  • She stood in the garden, basking in the warm rays of the afternoon sun.

  • The scientist measured the intensity of the laser rays in the laboratory.

Synonyms

beam
vsray
  • Specialized
275 3.4

A line of light that shines from one place to another

is the same core idea but often used for simple narrow light beams
laser beam
vsray
  • Specialized
17 3.9

A very narrow, bright light in one color that can cut or point at things

is broader, not limited to intense coherent beams or specific devices
shaft
vsray
15 5.0

A narrow beam of light that falls in a straight line

is broader, applying to beams of light or other energy forms
12 2.5

A narrow line of light from a lamp or the sun

is broader, applying to any narrow line of light or energy
sunbeam
vsray
9 1.0

A narrow ray of sunlight you can see in the air

covers that idea but also other kinds of light or energy beams
heat ray
vsray
5 8.0

A strong beam of energy that makes things hot from far away

is the general term for narrow light or energy beams, not only heat
light beam
vsray
4 2.2

A narrow column of light that you can see in the air

is more general, including invisible energy beams as well as light
4 3.5

A narrow beam of light that shines through an opening and lights a small area

is more general and not focused only on light through openings
ray of light
vsray
2 2.0

A narrow beam of light you can see shining through darkness

is a general narrow beam of light or energy beyond just visible columns
sunray
vsray
1 1.4

A narrow beam of sunlight that shines through clouds or windows

is broader, applying to beams from any light or energy source

Antonyms

544 1.0

A dark shape on the ground made when something blocks light

534 1.0

A time or place with almost no light

Compounds

gamma ray
  • Specialized
21 4.2

Very strong invisible rays that come from radioactive materials and can harm living tissue

cosmic ray
  • Specialized
15 6.7

High-energy particles from space that enter Earth's atmosphere

X-ray machine
  • Specialized
12 3.3

A machine that uses X rays to take pictures of the inside of the body or of bags

ray of sunshine
  • Informal
7 3.2

A person who makes others feel happy

5 8.0

A strong beam of energy that makes things hot from far away

ultraviolet ray
  • Specialized
5 3.9

A strong invisible light from the sun that can damage skin and kill germs

2 4.8

A very large sea animal with wide triangle-shaped fins that eats tiny sea plants and animals

cathode ray
  • Specialized
2 7.0

A stream of electrons in a vacuum tube that makes images on old television screens or similar devices

2 2.0

A narrow beam of light you can see shining through darkness

1 6.0

A large glass device in old TVs and computer screens that makes pictures with a beam of electrons

ray of light
  • Informal
1 3.4

Something or someone that brings hope during a difficult time

1 9.9

A made-up machine that makes people or things much smaller

X-ray film
  • Specialized
1 3.0

Special film that records pictures made by X-rays to show bones or the inside of objects

X-ray picture
  • Specialized
1 3.0

A picture made with X rays that shows the inside of the body

beta ray
  • Specialized
1 7.5

A kind of radiation made of small fast particles from radioactive atoms

1 7.4

A small ray like a manta that grows to about four feet and swims in groups

1 5.9

A large tropical sea animal with wide, winglike fins that swims gracefully

1 7.2

A flat sea fish with a rounded body that lives on the sea floor and gives strong electric shocks

infrared ray
  • Specialized
1 4.4

A type of light you cannot see that makes things warm

A large flat sea animal in warm water with long pointed fins and white spots on its back

X-ray diffraction
  • Specialized
1 7.1

A way X-rays scatter from the atoms in a crystal to show its structure

butterfly ray
  • Specialized
8.1

A large flat sea animal with a very wide body and a short tail

An electronic device that shows changing electrical signals as lines on a screen using a tube

cownose ray
  • Specialized
9.2

A large flat sea animal with wing-like fins and a pointed nose found along the east coast of North America

cow-nosed ray
  • Specialized
9.3

A large flat fish with a broad rounded head like a cow's nose

delta ray
  • Specialized
9.9

A fast electron knocked out of an atom when radiation hits it

actinic ray
  • Specialized
9.9

A type of light, often ultraviolet, that can cause chemical changes

alpha ray
  • Specialized
7.5

A stream of tiny particles given off by some radioactive materials

medullary ray
  • Specialized
9.9

A band of cells in a stem or root that moves water and nutrients sideways

3.9

A pale beam of light from the moon that shines at night

8.6

A thin beam of light from the moon

ray floret
  • Specialized
9.0

A small petal-like flower at the edge of a daisy or sunflower head

ray flower
  • Specialized
8.4

A flat petal at the edge of a flower head like a daisy or sunflower

roentgen ray
  • Archaic
6.9

People use a very short wave of energy to take pictures of the inside of the body

sun-ray lamp
  • Specialized
7.4

A lamp that gives strong ultraviolet light for medical or beauty treatments

sun-ray
  • Specialized
6.9

A strong invisible light from a special lamp used for tanning or skin treatment

A flat sea fish with a dark back covered in white or yellow dots

vascular ray
  • Specialized
9.8

A thin layer of cells in a plant stem that moves water and food sideways

X-ray photograph
  • Specialized
3.7

A picture of the inside of the body made with X-rays

X-ray photography
  • Specialized
3.8

A way to take pictures of the inside of the body using X-rays

X-ray therapy
  • Specialized
3.6

A medical treatment that uses X-rays to kill cancer cells

X-ray tube
  • Specialized
4.0

A tube with no air that makes X rays when fast electrons hit metal

How Bright

beam
  • Specialized
275 3.4
ray
327 1.0
glimmer
10 3.7

Surface Forms

ray singular
rays plural

Etymology

Ray comes from the Latin word radius, which meant a 'spoke' of a wheel or a thin 'line', so a ray of light is like a thin beam or spoke of light reaching out.