X-ray

From Fresh Dictionary

Contents

English

Etymology

Transliteration of German X-Strahl, coined by Wilhelm Conrad Röntgen upon his discovery of the rays in 1895, x signifying their unknown nature.

Noun

X-ray

  1. Short wavelength electromagnetic radiation usually produced by bombarding a metal target in a vacuum. Used to create images of the internal structure of objects; this is possible because X-rays pass through most objects and can expose photographic film.
    X-rays are light with a wavelength between 0.1 and 10 nm.
  2. (Colloquial) A photograph made with X-rays. The proper term for this is "radiograph."
    "The doctor ordered some X-rays of my injured wrist."
  3. An X-ray machine.
  4. The letter X in the ICAO spelling alphabet.

Translations

Transitive verb

X-ray

  1. (Colloquial) To expose film with X-ray radiation, especially for the purpose of medical diagnostic evaluation. Properly, the way to express this is "take a radiograph of".
    Of course there was nothing wrong with my left wrist. They X-rayed the wrong arm!"

Translations

Adjective

X-ray

  1. Of or having to do with x-rays.
    I had to put my bags through an X-ray scanner at the airport.

External links

zh:X-ray

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