Word Pronunciation & Dictionary

biological clock

Word Rarity Uncommon

Frequency: 4.06 in modern English

Syllables: bi-o-log-i-cal -clock
IPA

28

Scrabble Score

15

Letters

6

Syllables

8

Unique Chars

Meaning

noun

Any of several mechanisms that regulate the periodicity of biological functions, such as the circadian rhythm.

noun

The perceived time limit of human fertility, especially for women, evoking pressure to conceive children before reproductive ability declines with age.

Example Sentences

"2005 US Department of Health - Your guide to healthy sleep Your biological clock is actually a tiny bundle of cells in your brain that responds to light signals received through your eyes."
"Her biological clock is ticking."
"Take Linda, a thirty-nine-year-old newscaster who relished her career but began to hear the alarm ringing on her biological clock."

Inflected Forms

biological clocks (plural)

Phrases

tick-tock biological clock circadian rhythm

Frequently Paired Words

biorhythm circadian rhythm

Synonyms

body clock

Questions

What does biological clock mean?: Any of several mechanisms that regulate the periodicity of biological functions, such as the circadian rhythm.

How to pronounce biological clock

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