circadian
of or relating to a biorhythm or regular biological cycle occurring once every 24 hours, such as waking and sleeping: Exposure to blue light at night can disrupt your circadian rhythm, making your biological clock think it's earlier in the day rather than time for bed.He is doing research related to the circadian cycling of hormones.: Compare infradian, ultradian.
Origin of circadian
1- See also biological clock (def. 1).
Words Nearby circadian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use circadian in a sentence
Bright light is what keeps our circadian rhythms in good order.
Fight Seasonal Affective Disorder With This New Tracker | DailyBurn | November 7, 2014 | THE DAILY BEASTLighting signals your body's circadian rhythm and can have a strong effect on your mood.
“One of the most important things you can do for your sleep is to have a routine to keep your circadian rhythm normal,” says Suh.
In general, Tb's showed a marked circadian cycle in phase with photoperiod.
British Dictionary definitions for circadian
/ (sɜːˈkeɪdɪən) /
of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment: See also biological clock
Origin of circadian
1Collins 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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