Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A daily rhythmic activity cycle, based on 24-hour intervals, that is exhibited by many organisms.
Wiktionary
- n. The "internal body clock" that regulates the (roughly) 24-hour cycle of biological processes in animals and plants.
WordNet 3.0
- n. a daily cycle of activity observed in many living organisms
Examples
Sorry, no example sentences found.
Lists
These user-created lists contain the word ‘circadian rhythm’.
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Blippets
Time~sphere phenomena, manipulations, fluctuations, processes, measurements, and oddities. For use in building my machine.
microfortnight, transilient, instant, flash, breath, blink, beat, momentary, nimesha, truti, second, centisecond and 120 more...
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BIOL - the brain
ruptured blood ve..., clot, pressure on a blo..., tumor, brain region, comprehension of ..., production of mea..., autonomic nervous..., conservation of t..., catecholamine, arousal, regulation of sleep and 564 more...
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cicatrix
scar tissue
minatory, naira, Cluniac, embracive, prolix, hierophant, timorous, adduce, veracious, dysphoric, sang-froid, vitiate and 503 more...
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collection o' collocations
Words that are generally seen in each other's company; words that, when mentioned, bring their partners to mind.
innocent bystander, categorically deny, kung-fu grip, picky eater, natural habitat, deep sleep, horse-drawn carriage, ample bosom, perp walk, tea break, wreak havoc, strictly forbidden and 63 more...
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favourite phrases
light pollution, poop deck, inclement weather, pole star, wax poetic, grandfather clock, tea cozy, lunar maria, shotgun wedding, gathering my wits..., pyrrhic victory, scorched earth and 108 more...
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phrases (2 to 3 words)
Found Phrases I like. 2 or 3 words.
the majority of these will be placed into more categorically specific lists.
goto phrases (more than 3 words)
( _mark...catastrophic failure, gut-wrenching, programming paradigm, supermassive blac..., tangent space, renewable energy, design pattern, deceptively awesome, allegorical super..., emotional truth, ghosts of departe..., inflection point and 941 more...
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2008 Wordlist
Hopefully, I'll be using this site for more than one year. It will be fun then to look back and see what new words I found worthy of notice in any given year.
All words spotted in 2008...longanimity, permalancer, breeder, biodegradable, handicapable, gender-neutral, translator, interpreter, translation, interpreting, kleptocracy, fanfiction and 1598 more...
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Valse's Words
fastidious, fervent, bellicose, personification, onomatopoeia, burly, concomitant, tempura, serendipity, pecuniary, foment, chum and 418 more...
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persnickety parlance
behoove, ebullient, insouciant, insipient, froth, quandary, quixotic, tendril, maktub, furrow, furl, anastrophe and 1076 more...
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Mod Mou's List
My Favourite words.
poignant, sauerkraut, requiem, nostalgia, pharmaceuticals, sweet nothings, chic, mod, rip, whisper, articulate, artistic and 24 more...
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quark, quark, quark!
science words that are fun to say
math, too
"I like to say 'quark'! Quark, quark, quark, quark!" - Hobbesscatological, circadian rhythm, imago, quark, gastrointestinal, phylum, protease inhibitor, trilobite, solar plexus, ratite, strata, quasar and 86 more...
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Night and Day
day length, daily cycle, and so on because the summer solstice is coming
solstice, summer solstice, winter solstice, diurnal, nocturnal, circadian, circadian rhythm
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Cool Beans
Tweets
Looking for tweets for circadian rhythm.

whichbe Innate, daily, fluctuation of behavioral and physiological functions, including sleep waking, generally tied to the 24 hour day-night cycle but sometimes to a different (e.g., 23 or 25 hour) periodicity when light/dark and other time cues are removed. May 13, 2008