biological clock
noun
: an inherent timing mechanism in a living system that is inferred to exist in order to explain the timing or periodicity of various behaviors and physiological states and processes
Examples of biological clock in a Sentence
Recent Examples on the Web
The American Academy of Sleep Medicine (AASM) stated that the human biological clock is why daylight saving impacts sleep.
—
Sophie Okolo, Forbes, 31 Oct. 2024
Light pollution also hurts birds by altering their biological clocks.
—Brian Handwerk, Smithsonian Magazine, 25 Oct. 2024
In its original state, the song is a rumination on Charli’s biological clock, and not wanting to sacrifice her career to have kids.
—Hannah Jackson, Vogue, 18 Oct. 2024
As Mellors explains it, her protagonist’s biological clock is ticking alongside the impending climate crisis.
—Carly Tagen-Dye, People.com, 27 Sep. 2024
See all Example Sentences for biological clock 
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Sophie Okolo, Forbes, 31 Oct. 2024
Light pollution also hurts birds by altering their biological clocks.
—Brian Handwerk, Smithsonian Magazine, 25 Oct. 2024
In its original state, the song is a rumination on Charli’s biological clock, and not wanting to sacrifice her career to have kids.
—Hannah Jackson, Vogue, 18 Oct. 2024
As Mellors explains it, her protagonist’s biological clock is ticking alongside the impending climate crisis.
—Carly Tagen-Dye, People.com, 27 Sep. 2024
See all Example Sentences for biological clock
Dictionary Entries Near biological clock
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“Biological clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20clock. Accessed 15 Nov. 2024.
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