What is the meaning of biological clock?

noun

  • An innate mechanism in living organisms that controls the periodicity of many physiological functions. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). biological clock. Retrieved September 20, 2026, from http://smartdefine.org/biological_clock/definitions/1325843
ChicagoWordNet. 2010. "biological clock" http://smartdefine.org/biological_clock/definitions/1325843 (accessed September 20, 2026).
HarvardWordNet 2010, biological clock, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/biological_clock/definitions/1325843>.
MLAWordNet. "biological clock" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/biological_clock/definitions/1325843>