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Definition of the adjective circadian

What does circadian mean as an attribute of a noun?


  1. of or relating to biological processes occurring at 24-hour intervals

Alternative definition of the adjective circadian


  1. [biology] of, relating to, or showing rhythmic behaviour with a period of 24 hours; especially of a biological process


Circadian is a musical group.

  • album: "Flanking the black moose"


  1. "Circadian" is a concept album and the first full length studio album by 5th Projekt. It was released on August 29, 2006 on 5th Projekt's Organik Rekords. It explores the metaphysical relationship of humanity as it coexists with its environment and the cycles of which both partake and create. Music and lyrics were written by Tara Rice and/or Sködt D. McNalty.
  2. "Circadian" is a musical album of Jack Sparrow.
    • released on (5 years ago)
  3. "Circadian" is a musical album of Farino.
    • released in (8 years ago)


"Circadian" is a book by Joanna Klink.

Phrases with Circadian

  1. circadian rhythm
  2. Circadian Dysrhythmia

Printed encyclopedias and other books with definitions for Circadian

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Google previewThe SAGE Encyclopedia of Abnormal and Clinical Psychology (2017)

by Amy Wenzel

Although NES is characterized as an eating disorder, it shows clear circadian rhythm, sleep, and clinical mood symptomatology, and thus, these patients may be responsive to bright light therapy. Clinical trials are needed to determine the ...

Google previewEncyclopedia of Stress: A-D (2000)

Circadian Rhythms, Genetics of Fred W. Turek and Martha Hotz Vitaterna Northwestern University, Chicago 471...

Identification of Single Gene Mutations GLOSSARY circadian rhythms Biochemical,physiological,and behavioral events that ...

Google previewThe Dream Encyclopedia (2009)

by James R Lewis, Evelyn Dorothy Oliver

Circadian rhythms are biological cycles that take place every twenty-four hours. Human body temperature, for example, rises and falls in regular twenty-four-hour cycles. Among other behaviors, these cycles make it natural to sleep during the ...

Google previewThe Encyclopedia of Sleep and Sleep Disorders (2010)

by Charles Pollak, Michael J. Thorpy, Jan Yager

(See also ENDOGENOUS CIRCADIAN PACEMAKER, FREE RUNNING, TEMPORAL ISOLATION.) circadian rhythm sleep disorders Previously called sleep-wake schedule disorders, these are ...

Google previewEncyclopedia of Cancer (2011)

by Manfred Schwab

Circadian Clock Definition Most cells in the brain and peripheral tissues contain a molecular clock consisting of at least 12 specific clock genes in mammals. Interacting transcriptional and posttranscriptional loops constitute this molecular clock ...

Google previewEncyclopedia of Molecular Pharmacology

by Stefan Offermanns

Circadian Rhythms. Figure 1 Mammalian circadian system is organized as a hierarchy of multiple clocks thatfunction to synchronize timing of internal processes between each other and with the environment. See details in the text. Circadian ...

Google previewEncyclopedia of Sleep and Dreams (2012)

The Evolution, Function, Nature, and Mysteries of Slumber by Deirdre Barrett, Patrick McNamara

Sleep is a behavioral state of reversible quiescence that arises from an interaction between the circadian system (which organizes functioning of biological rhythms that cycle on the order of every 24 hours) and a wake- dependent ...

Google previewEncyclopedia of Sports Medicine (2010)

by Lyle J. Micheli

Circadian rhythms are self-sustaining phenomena with a periodicity of approximately 24 hours (Latin: circa = about, diem = 1 day). For example, the human circadian rhythm of body temperature shows a cosine wave pattern, typically peaking ...

Google previewEncyclopedia of Sleep (2012)

Circadian rhythm: A self-sustained, approximately 24-h cycle that controls biochemical, physiological, and behavioral functions, seen in many different types of organisms.

Google previewEncyclopedia of Insects (2009)

by Vincent H. Resh, Ring T. Cardé

Circadian. Rhythms. Terry. L. Page. Vanderbilt. University. lism, or behavior that persist (freerun) in organisms that have been isolated from periodic fluctuations in the environment. These rhythms are under the control of innate regulatory ...

Google previewEncyclopedia of Time (2013)

by Samuel L. Macey

addition, most internal physiological processes, including the levels of many hormones, exhibit circadian fluctuations. Circadian rhythms have also been implicated in a number of sophisticated animal behaviors, including solar orientation, ...

Google previewEncyclopedia of Depression [2 volumes] (2010)

by Linda Wasmer Andrews

Circadian rhythms refer to the body's internal system for regulating physiological and behavioral cycles that repeat daily,

Online dictionaries and encyclopedias with entries for Circadian

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Video language resources about Circadian

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View more videos about Circadian Rhythm and Circadian Dysrhythmia.

See also the pronunciation examples of Circadian!

Scrabble value of C3I1R1C3A1D2I1A1N1

The value of this 9-letter word is 14 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

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