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Xray

1 of 3

communications code word

used as a code word for the letter x

x-ray

2 of 3

verb

x-rayed; x-raying; x-rays
often capitalized

transitive verb

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

X-ray

3 of 3

noun

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
X-ray adjective

Word History

First Known Use

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

Time Traveler
The first known use of Xray was in 1896

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