Look up: circadian

1. circadian
   [adj] - of or relating to biological processes occurring at 24-hour intervals
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. circadian
   nychthemeral Relating to or exhibiting an approximately 24-hour periodicity.
   Found on http://sis.nlm.nih.gov/enviro/iupacgloss
   
   
3. Circadian
   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 envi...
   Found on http://www.medterms.com/script/main/art.
   
   
4. circadian
   an innate physiological rhythm manifested by regular fluctuations in body chemistry or other indicators of the physiological state related to the 24-hour or day-night cycle Category: The cosmos • repeated more or less daily i.e. on a 23 hr to 25 hr cycle Category: Medicine
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. circadian
   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/dictiona
   
   
6. circadian
   adjective of or relating to biological processes occurring at 24-hour intervals; `circadian rhythms`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. 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
   
   
8. circadian
   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/inf
   
   
9. circadian
   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/medicaldictio