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radiotherapy

[rey-dee-oh-ther-uh-pee] /ˌreɪ di oʊˈθɛr ə pi/
noun, Medicine/Medical
1.
treatment of disease by means of x-rays or of radioactive substances.
Also called radiation therapy.
Origin
1900-1905
1900-05; radio- + therapy
Related forms
radiotherapist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for radio therapy

radiotherapy

/ˌreɪdɪəʊˈθɛrəpɪ/
noun
1.
the treatment of disease, esp cancer, by means of alpha or beta particles emitted from an implanted or ingested radioisotope, or by means of a beam of high-energy radiation Compare chemotherapy
Derived Forms
radiotherapeutic (ˌreɪdɪəʊˌθɛrəˈpjuːtɪk) adjective
radiotherapeutically, adverb
radiotherapist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for radio therapy

radiotherapy

n.

1903, from radio- + therapy.

Online Etymology Dictionary, © 2010 Douglas Harper
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radio therapy in Medicine

radiotherapy ra·di·o·ther·a·py (rā'dē-ō-thěr'ə-pē)
n.
Treatment of disease with radiation, especially by selective irradiation with x-rays or other ionizing radiation and by ingestion of radioisotopes.


ra'di·o·ther'a·pist n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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