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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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adj. - Of or relating to biological processes occurring at 24-hour intervals.

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Usage examples (38)
  • circadian rhythms
  • There is also the change in circadian rythmns, as I go from being a gainfully employed American to a retired one.
  • Your sleep/wake cycle is governed by an internal clock called the circadian (24-hour) rhythm.
  • This rhythm is set by a biological timepiece scientists call the circadian clock - from the Latin
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.