[ rey-dee-oh-sen-si-tiv ]
/ ˌreɪ di oʊˈsɛn sɪ tɪv /

adjective Pathology.

(of certain tissues or organisms) sensitive to or destructible by various types of radiant energy, as x-rays, rays from radioactive material, or the like.

Origin of radiosensitive

First recorded in 1915–20; radio- + sensitive

Related forms

ra·di·o·sen·si·tiv·i·ty, ra·di·o·sen·si·bil·i·ty [rey-dee-oh-sen-suh-bil-i-tee] /ˌreɪ di oʊˌsɛn səˈbɪl ɪ ti/, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for radiosensitive


/ (ˌreɪdɪəʊˈsɛnsɪtɪv) /


affected by or sensitive to radiation

Derived Forms

radiosensitively, adverbradiosensitivity, 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

Medicine definitions for radiosensitive


[ rā′dē-ō-sĕnsĭ-tĭv ]


Sensitive to the action of radiation. Used especially of living structures.

Related forms

ra′di•o•sen′si•tivi•ty n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.