X-ray therapy

noun

Definition of X-ray therapy 

: medical treatment (as of cancer) by controlled application of X-rays

First Known Use of X-ray therapy

1926, in the meaning defined above

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The first known use of X-ray therapy was in 1926

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X-ray therapy

noun

Medical Definition of X-ray therapy 

: medical treatment (as of cancer) by controlled application of X-rays

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