[ kron-oh-bahy-ol-uh-jee ]
/ ˌkrɒn oʊ baɪˈɒl ə dʒi /


the science or study of the effect of time, especially rhythms, on living systems.

Origin of chronobiology

First recorded in 1975–80; chrono- + biology

OTHER WORDS FROM chronobiology

chron·o·bi·o·log·i·cal [kron-oh-bahy-uh-loj-i-kuh l] /ˌkrɒn oʊˌbaɪ əˈlɒdʒ ɪ kəl/, adjectivechron·o·bi·ol·o·gist, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for chronobiology

/ (ˌkrɒnəbaɪˈɒlədʒɪ, ˌkrəʊnə-) /


the branch of biology concerned with the periodicity occurring in living organismsSee also biological clock, circadian

Derived forms of chronobiology

chronobiologist, 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 chronobiology

[ krŏn′ō-bī-ŏlə-jē ]


The study of the effect of time on biological events, especially repetitive or cyclic phenomena in individuals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.