Xray

communications code word
\ˈeks-ˌrā \

Definition of Xray 

(Entry 1 of 3)

used as a code word for the letter x

x-ray

verb, often capitalized
\ˈeks-ˌrā \
x-rayed; x-raying; x-rays

Definition of x-ray (Entry 2 of 3)

transitive verb

: to examine, treat, or photograph with X-rays

X-ray

noun
\ˈeks-ˌrā \

Definition of X-ray (Entry 3 of 3)

1 : any of the electromagnetic radiations that have an extremely short wavelength of less than 100 angstroms and have the properties of penetrating various thicknesses of all solids, of producing secondary radiations by impinging on material bodies, and of acting on photographic films and plates as light does

2 : a photograph obtained by use of X-rays

Other Words from Xray

Noun

X-ray adjective

First Known Use of Xray

Communications code word

1943, in the meaning defined above

Verb

1899, in the meaning defined above

Noun

1896, in the meaning defined at sense 1

Keep scrolling for more

Learn More about Xray

Statistics for Xray

Look-up Popularity

Time Traveler for Xray

The first known use of Xray was in 1896

See more words from the same year

Keep scrolling for more

More Definitions for Xray

x-ray

verb

English Language Learners Definition of x-ray

 (Entry 1 of 2)

: to examine and make images of (things, such as the bones and organs inside the body) by using X-rays

X-ray

noun

English Language Learners Definition of X-ray (Entry 2 of 2)

X-rays : powerful invisible rays that can pass through various objects and that make it possible to see inside things (such as the human body)

: an image that is created by using X-rays and that is usually used for medical purposes

: a medical examination that involves using X-rays

x-ray

verb, often capitalized X
\ˈeks-ˌrā\
x-rayed; x-raying

Kids Definition of x-ray

: to examine, treat, or photograph with X-rays My arm was x-rayed for broken bones.

X-ray

noun
\ˈeks-ˌrā\

Kids Definition of X-ray

1 : a powerful invisible ray made up of very short waves that is somewhat similar to light and that is able to pass through some solids and acts on photographic film like light

2 : a photograph taken by the use of X-rays an X-ray of the lungs

x-ray

transitive verb, often capitalized X
\ˈeks-ˌrā \

Medical Definition of x-ray 

(Entry 1 of 2)

: to examine, treat, or photograph with X-rays

X-ray

noun

Medical Definition of X-ray (Entry 2 of 2)

1 : any of the electromagnetic radiations of the same nature as visible radiation but of an extremely short wavelength less than 100 angstroms that is produced by bombarding a metallic target with fast electrons in vacuum or by transition of atoms to lower energy states and that has the properties of ionizing a gas upon passage through it, of penetrating various thicknesses of all solids, of producing secondary radiations by impinging on material bodies, of acting on photographic films and plates as light does, and of causing fluorescent screens to emit light

called also roentgen ray

2 : a photograph obtained by use of X-rays a chest X-ray

Other Words from Xray

X-ray adjective

Comments on Xray

What made you want to look up Xray? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

amusing and light sparring with words

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!