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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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(also called radiotherapy) A method of treating disease, especially cancer, using X-rays or radioactivity to destroy malignant growths.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||radiation therapy - (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance|
therapy - (medicine) the act of caring for someone (as by medication or remedial training etc.); "the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"
phototherapy - the use of strong light to treat acne or hyperbilirubinemia of the newborn
X-ray therapy - the therapeutic use of X rays
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