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• x-ray therapy
  x-ray therapy

  noun

  treatment of a disease using controlled quantities of x-rays.
• X-ray therapy
  X-ray therapy

  noun

  med the therapeutic use of X-rays

x-ray therapy

American  

noun

Medicine/Medical.

1. treatment of a disease using controlled quantities of x-rays.

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X-ray therapy British  

noun

1. med the therapeutic use of X-rays

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Etymology

Origin of x-ray therapy

First recorded in 1925–30

Example Sentences

This is “ionising” radiation, exploited in x-ray therapy where high-energy photons are marshalled to kill tumour cells.

From The Guardian • Jul. 21, 2018