Meaning of X-RAY in English

X-RAY

/ ˈeks reɪ; NAmE / noun , verb

■ noun

1.

[ usually pl. ] a type of radiation that can pass through objects that are not transparent and make it possible to see inside them :

an X-ray machine (= one that produces X-rays )

2.

a photograph made by X-rays, especially one showing bones or organs in the body :

a chest X-ray

The doctor studied the X-rays of her lungs.

to take an X-ray

3.

a medical examination using X-rays :

I had to go for an X-ray.

■ verb

[ vn ] to photograph and examine bones and organs inside the body, using X-rays :

He had to have his chest X-rayed.

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WORD ORIGIN

translation of German X-Strahlen (plural), from X- (because, when discovered in 1895, the nature of the rays was unknown) + Strahl ray.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.