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noun
- 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.
- (colloquial) A photograph made with X-rays. The proper term for this is "radiograph."
- "The doctor ordered some X-rays of my injured wrist."
- An X-ray machine.
- The letter X in the ICAO spelling alphabet.
verb
- (context, transitive, 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!"
adjective
- Of or having to do with x-rays.
- I had to put my bags through an scanner at the airport.
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