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body clock
noun
: the internal mechanisms that schedule periodic bodily functions and activities
—usually not used technically
Examples of body clock in a Sentence
It takes a while for my body clock to get adjusted when I fly from New York to London.
Recent Examples on the Web
Social Jetlag tracks your body clock against your social schedule.
—PCMAG, 24 Jan. 2025
The schedule difficulties and potential body clock challenges could have actual impacts on the Pacers’ and Spurs’ seasons.
—Tony East, Forbes, 23 Jan. 2025
Dogs sleep patterns are ruled by their circadian rhythms (body clocks), and their energy levels are replenished after a good sleep.
—John Mac Ghlionn, Newsweek, 13 Jan. 2025
Now, researchers in Japan have accidentally stumbled on a way to make caffeine's effects on our body clocks even more powerful.
—Michael Franco, New Atlas, 24 Dec. 2024
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Word History
First Known Use
1916, in the meaning defined above
Dictionary Entries Near body clock
Cite this Entry
“Body clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/body%20clock. Accessed 12 Feb. 2025.
Medical Definition
body clock
noun
: the internal mechanisms that schedule bodily functions and activities
—not usually used technically
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