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Definition of "x-ray" []

  • A relatively high-energy photon having a wavelength in the approximate range from 0.01 to 10 nanometers. (noun)
  • A stream of such photons, used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Often used in the plural. Also called roentgen ray. (noun)
  • A photograph taken with x-rays. (noun)
  • To irradiate with x-rays. (verb-transitive)
  • To photograph with x-rays. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "x-ray" in a sentence
  • "Interestingly, that included a pair of scissors, a fixed knife and a camping lighter (5cm blue flame, contains gasoline), which neither the hand screening nor the x-ray inspection found."
  • "After an initial assessment, and after x-ray after x-ray, the doctors struggled to break the news."
  • "This was ruled out when an x-ray of Pandorama's other hock proved identical."