free-running

adjective

Medical Definition of free-running

: not involving or subjected to entrainment or resetting periodically by an environmental factor (as photoperiod) a free-running circadian rhythm

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“Free-running.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/free-running. Accessed 5 Dec. 2020.

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