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cir·ca·di·an(sər-kā′dē-ən, -kăd′ē-, sûr′kə-dī′ən, -dē′-)
Relating to or exhibiting approximately 24-hour periodicity.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biology) 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
[C20: from Latin circa about + diēs day]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cir•ca•di•an(sɜrˈkeɪ di ən, ˌsɜr kəˈdi ən)
of or pertaining to rhythmic cycles recurring at approximately 24-hour intervals: the circadian biological clock.
[1955–60; < Latin circā about + di(ēs) day + -an1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||circadian - of or relating to biological processes occurring at 24-hour intervals; "circadian rhythms"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
circadianadj circadiano; — rhythm ritmo circadiano
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.