Definition of 'biological clock'
Example sentences containing 'biological clock'
What keeps biological clocks on time?Beat Jet Lag - arrive alert and stay alert (1991)
Another factor recently being studied is the influence of the body 's biological clock.Christianity Today (2000) Times, Sunday Times (2013) Times, Sunday Times (2006)
For girls, it begins when the body 's biological clock decides the environmental factors are conducive to supporting another life.The Sun (2016)
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Definition of biological clock from the Collins English Dictionary