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X-ray
Definitions
- 1 Of or relating to X-rays. not-comparable
"I had to put my bags through an X-ray scanner at the airport."
- 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 Alternative letter-case form of X-ray. alt-of
"… analogous to x-ray image formation …"
- 3 a radiogram made by exposing photographic film to X rays; used in medical diagnosis wordnet
- 4 A radiograph: a photograph made with X-rays.
"The doctor ordered some X-rays of my injured wrist."
- 5 electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target wordnet
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- 6 An X-ray machine.
- 7 A tactical motif where a piece exerts influence or control over a square, piece, or line indirectly through another intervening piece.
- 1 To take a radiograph of; to obtain an image of using X-ray radiation, especially for the purpose of medical diagnostic evaluation. informal, transitive
"Of course there was nothing wrong with my left wrist. They X-rayed the wrong arm!"
- 2 Alternative letter-case form of X-ray. alt-of
- 3 take an x-ray of something or somebody wordnet
- 4 Of a piece, to exert indirect influence, by either attacking, defending, or controlling an opponent's or friendly piece through an intervening piece along a rank, file, or diagonal. transitive
- 5 examine by taking x-rays wordnet
Etymology
From X + ray, a calque of German X-Strahl, coined by Wilhelm Röntgen upon his discovery of the rays in 1895, where X signifies their unknown nature. The chess sense is metaphorical, referring to control passing through a seemingly solid barrier.
From X + ray, a calque of German X-Strahl, coined by Wilhelm Röntgen upon his discovery of the rays in 1895, where X signifies their unknown nature. The chess sense is metaphorical, referring to control passing through a seemingly solid barrier.
From X + ray, a calque of German X-Strahl, coined by Wilhelm Röntgen upon his discovery of the rays in 1895, where X signifies their unknown nature. The chess sense is metaphorical, referring to control passing through a seemingly solid barrier.
See also for "x-ray"
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