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circadian
cir·ca·di·an C0361800 (sər-kā′dē-ən, -kăd′ē-, sûr′kə-dī′ən, -dē′-)adj. Biology Relating to or exhibiting approximately 24-hour periodicity.
[Latin circā, around; see circa + Latin diēs, day; see dyeu- in Indo-European roots.]
cir·ca′di·an·ly adv.circadian (sɜːˈkeɪdɪən) adj (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]cir•ca•di•an (sɜrˈkeɪ di ən, ˌsɜr kəˈdi ən)
adj. 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] cir•ca′di•an•ly, adv. Thesaurus| Adj. | 1. | circadian - of or relating to biological processes occurring at 24-hour intervals; "circadian rhythms" |
Translationscircadian
circadian of or relating to biological processes that occur regularly at about 24-hour intervals, even in the absence of periodicity in the environment circadian
circadian [ser″kah-de´an, ser-ka´de-an] denoting a period of one day, or repeating every day; see rhythm" >circadian rhythm.circadian rhythm sleep disorder a sleep disorder of the dyssomnia" >dyssomnia group, consisting of a lack of synchrony between the schedule of sleeping and waking required by the external environment and that of the person's own rhythm" >circadian rhythm. The cause is usually environmental, such as rotating shift work or long-distance air travel, but some individuals simply have natural circadian rhythms sharply different from the predominant one of their society.cir·ca·di·an (ser-kā'dē-ăn), Relating to biologic variations or rhythms with a cycle of about 24 hours. Compare: infradian, ultradian. [L. circa, about, + dies, day] circadian (sər-kā′dē-ən, -kăd′ē-, sûr′kə-dī′ən, -dē′-)adj. Biology Relating to or exhibiting approximately 24-hour periodicity.
cir·ca′di·an·ly adv.cir·ca·di·an (sĭr-kā'dē-ăn) Relating to biologic variations or rhythms with a cycle of about 24 hours.
Compare: infradian, ultradian[L. circa, about, + dies, day]circadian Exhibiting a 24 hour periodicity.CircadianPertaining to biological rhythms occurring at approximately 24-hour intervals. Jet lag is caused by a disruption of the human body's circadian clock.Mentioned in: Jet Lagcir·ca·di·an (sĭr-kā'dē-ăn) Relating to biologic variations or rhythms with a cycle of about 24 hours. [L. circa, about, + dies, day]ThesaurusSeecircadian rhythm |