[ rey-dee-oh-bahy-ol-uh-jee ]
/ ˌreɪ di oʊ baɪˈɒl ə dʒi /


the branch of biology dealing with the effects of radiation on living matter.

Origin of radiobiology

First recorded in 1915–20; radio- + biology

Related forms

ra·di·o·bi·o·log·i·cal [rey-dee-oh-bahy-uh-loj-i-kuh l] /ˌreɪ di oʊˌbaɪ əˈlɒdʒ ɪ kəl/, ra·di·o·bi·o·log·ic, adjectivera·di·o·bi·ol·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for radiobiology


/ (ˌreɪdɪəʊbaɪˈɒlədʒɪ) /


the branch of biology concerned with the effects of radiation on living organisms and the study of biological processes using radioactive substances as tracers

Derived Forms

radiobiological (ˌreɪdɪəʊˌbaɪəˈlɒdʒɪkəl), adjectiveradiobiologically, adverbradiobiologist, 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 radiobiology


[ rā′dē-ō-bī-ŏlə-jē ]


The study of the effects of radiation on living organisms.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.