Definition of body clock
: 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.
First Known Use of body clock
BODY CLOCK Defined for English Language Learners
Definition of body clock for English Language Learners
: a system in the body that controls when you need to sleep, eat, etc.
Medical Definition of body clock
: the internal mechanisms that schedule bodily functions and activities—not usually used technically
Seen and Heard
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