- of or relating to biological processes occurring at 24-hour intervals
Found on http://www.webdictionary.co.uk/definition.php?query=circadian
nychthemeral Relating to or exhibiting an approximately 24-hour periodicity.
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryc.html
Circadian: Refers to events occurring within a 24-hour period, in the span of a full (24-hour) day, as in a circadian rhythm. Circadian rhythmicity is a fundamental property possessed by all organisms. These rhythms are driven by an internal time-keeping system: a clock. Changes in the external environment, particularly in the light-dark cycle, ent
Found on http://www.medterms.com/script/main/art.asp?articlekey=6766
Relating to biologic variations or rhythms with a cycle of about 24 hours. ... Compare: infradian, ultradian. ... Origin: L. Circa, about, + dies, day ... (05 Mar 2000) ...
Found on http://www.mondofacto.com/facts/dictionary?circadian
of or relating to biological processes occurring at 24-hour intervals; `circadian rhythms`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=circadian
(sәr-ka´de-әn) denoting a period of one day, or repeating every day; see circadian rhythm.
Found on http://www.encyclo.co.uk/local/21001
circadian Designating physiological activity that occurs approximately every twenty-four hours, or the rhythm of such activity.
Found on http://www.wordinfo.info/words/index/info/view_unit/2459/
Type: Term Pronunciation: ser-kā′dē-ăn Definitions: 1. Relating to biologic variations or rhythms with a cycle of about 24 hours.
Found on http://www.medilexicon.com/medicaldictionary.php?t=17706
occurring every 24 hours
Found on http://phrontistery.info/c.html
No exact match found