radiation therapy(redirected from 3-dimensional conformal radiation therapy)
Also found in: Dictionary, Thesaurus, Medical.
radiation therapy[‚rād·ē′ā·shən ′ther·ə·pē]
The use of ionizing radiation or radioactive substances to treat disease. Also known as actinotherapy; radiotherapy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.