Definitions for circadian rhythm
cir·ca·dian rhythm

Princeton's WordNetRate this definition:1.0 / 1 vote

1. circadian rhythmnoun

   a daily cycle of activity observed in many living organisms

WiktionaryRate this definition:0.0 / 0 votes

1. circadian rhythmnoun

   The "internal body clock" that regulates the (roughly) 24-hour cycle of biological processes in animals and plants.

ChatGPTRate this definition:0.0 / 0 votes

1. circadian rhythm

   A circadian rhythm is a natural, internal process that regulates the sleep-wake cycle and repeats itself roughly every 24 hours. It can refer to any biological process that displays an endogenous, entrainable oscillation of about 24 hours. These 24-hour rhythms are driven by a circadian clock, and they have been widely observed in plants, animals, fungi, and cyanobacteria.

WikidataRate this definition:5.0 / 1 vote

1. Circadian rhythm

   A circadian rhythm is any biological process that displays an endogenous, entrainable oscillation of about 24 hours. These rhythms are driven by a circadian clock, and rhythms have been widely observed in plants, animals, fungi and cyanobacteria. The term circadian comes from the Latin circa, meaning "around", and diem or dies, meaning "day". The formal study of biological temporal rhythms, such as daily, tidal, weekly, seasonal, and annual rhythms, is called chronobiology. Although circadian rhythms are endogenous, they are adjusted to the local environment by external cues called zeitgebers, commonly the most important of which is daylight.

U.S. National Library of MedicineRate this definition:5.0 / 1 vote

1. Circadian Rhythm

   The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, feeding, etc. This rhythm seems to be set by a 'biological clock' which seems to be set by recurring daylight and darkness.

Editors ContributionRate this definition:0.0 / 0 votes

1. circadian rhythm

   A type of daily cycle or rhythm.

   Circadian rhythm is observed in night and day and various human, plant and animal behaviors.

   
   

   Submitted by MaryC on September 6, 2020  

Suggested ResourcesRate this definition:0.0 / 0 votes

1. circadian rhythm

   Song lyrics by circadian rhythm -- Explore a large variety of song lyrics performed by circadian rhythm on the Lyrics.com website.

Matched Categories

1. • Biological Time

How to pronounce circadian rhythm?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say circadian rhythm in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of circadian rhythm in Chaldean Numerology is: 6

2. Pythagorean Numerology

   The numerical value of circadian rhythm in Pythagorean Numerology is: 1

Examples of circadian rhythm in a Sentence

1. Raj Dasgupta:

   The dietary supplement melatonin is not a potent sleeping aid, it’s good for shifting your circadian rhythm. Usually, we suggest people take it two hours before their desired sleep time.

2. Raj Dasgupta:

   If you ask me when's the perfect time to exercise, I think it's gon na be in the morning and outside in daylight. It resets the circadian rhythm and starts the day off with vigor, but if nighttime exercise is best for you, that's fine.

3. Fred Davis:

   We have seen increased motor vehicle accidents during these time changes, which can be due to alterations in one’s circadian rhythm that can lead to impaired focus and judgment.

4. Dianne Augelli:

   Estrogen works on several different neurotransmitter pathways that may have an impact on the regulation of sleep, and progesterone can have a hypnotic property, fluctuations in these hormones may have an effect on the circadian rhythm.

5. Louise Batta:

   It's completely thrown off my circadian rhythm. It's hard to get up in the morning to go out of bed because I never know what time it is, i know that people joke all the time about how bad the living situation is, but it has truly had a negative impact on my grad school experience.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=circadian rhythm
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Circadian_Rhythm
3. ^ ChatGPT
   https://chat.openai.com
4. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=circadian rhythm