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X-ray

From Wiktionary, the free dictionary
See also:x-ray,Xray,andxray

Translingual

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Noun

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X-ray

  1. Alternative form ofXrayof the ICAO/NATO radiotelephony alphabet

English

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An earlyradiograph ofAlbert von Kölliker's left hand taken at a public lecture on 23 January 1896 byWilhelm Röntgen, the discoverer of X-rays.

Alternative forms

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Etymology

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FromX +‎ray, acalque ofGermanX-Strahl, coined byWilhelm Röntgen upon his discovery of the rays in 1895, whereX signifies their unknown nature. The chess sense is metaphorical, referring to control passing through a seemingly solid barrier.

Pronunciation

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Noun

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X-ray (pluralX-rays)

  1. Shortwavelengthelectromagneticradiation usually produced bybombarding a metal target in a vacuum. Used to createimages of theinternal structure of objects; this is possible because X-rays pass through most objects and canexposephotographicfilm.
    Synonyms:Röntgen radiation,Roentgen-ray
    X-rays are light with a wavelength between 0.1 and 10 nm.
  2. Aradiograph: aphotograph made with X-rays.
    The doctor ordered someX-rays of my injured wrist.
    • 2012 June 2, Phil McNulty, “England 1-0 Belgium”, inBBC Sport‎[1]:
      And this friendly was not without its injury worries, with defender Gary Cahill substituted early on after a nasty, needless push by Dries Mertens that caused him to collide with goalkeeper Joe Hart, an incident that left the Chelsea defender requiring a precautionaryX-ray at Wembley.
  3. An X-raymachine.
  4. (chess) Atacticalmotif where apieceexertsinfluence orcontrol over asquare,piece, orlineindirectly through anotherinterveningpiece.

Derived terms

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Related terms

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Translations

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short wavelength electromagnetic radiation
photograph made with X-rays
X-ray machine

Verb

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X-ray (third-person singular simple presentX-rays,present participleX-raying,simple past and past participleX-rayed)

  1. (transitive, informal) To take aradiograph of; to obtain an image of using X-rayradiation,especially for the purpose ofmedicaldiagnosticevaluation.
    Of course there was nothing wrong with my left wrist. TheyX-rayed the wrong arm!
    • 1925, Sidney Coe Howard,They Knew What They Wanted (Doubleday, Page and Company), Act II, page 116.
      Both legs broken in the morning. Tibia, fibula, femur, and ischium.X-rayed and set inside of an hour after the accident.
  2. (transitive, chess) Of apiece, toexertindirectinfluence, by eitherattacking,defending, orcontrolling anopponent's orfriendlypiece through aninterveningpiece along arank,file, ordiagonal.

Translations

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to take a radiograph of

Adjective

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X-ray (notcomparable)

  1. Of or relating to X-rays.
    I had to put my bags through anX-ray scanner at the airport.

Translations

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of or having to do with X-rays

Further reading

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