ultradian

(ul″trә-de┬┤әn) pertaining to a period of less than 24 hours; applied to the rhythmic repetition of certain phenomena in living organisms occurring in cycles of less than a day. See also ultradian rhythm.
Found on http://www.encyclo.co.uk/local/21001

ultradian

of physiological cycles longer than an hour and shorter than a day
Found on http://phrontistery.info/u.html

ultradian

Relating to biologic variations or rhythms occurring in cycles more frequent than every 24 hours. ... Compare: circadian, infradian. ... Origin: ultra-+ L. Dies, day ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

ultradian

Type: Term Pronunciation: ŭl-trā′dē-ăn Definitions: 1. Relating to biologic variations or rhythms occurring in cycles more frequent than every 24 hours.
Found on http://www.medilexicon.com/medicaldictionary.php?t=95502
No exact match found