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.
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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 
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
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biological clock.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Biological clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological%20clock. Accessed 5 Nov. 2024.
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