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An x-ray is a type of ray that can pass through or look inside a solid object, such as a human being, and show things that are underneath a surface.


  • The x-ray showed the man was suffering from rheumatoid arthritis.
  • When John went to the dentist, they took x-rays of his teeth.
  • An x-ray indicated that Martha had a tumor growing in her stomach.
  • Doctors x-rayed the patient to see if the operation had been successful. (In this sentence, "x-ray" is used as a verb.)
  • Overexposure to x-rays can be harmful to your health.

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This page was published on September 24, 2013.







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