physiological zero

noun

Medical Definition of physiological zero

: a temperature that is felt by the skin as neither warm nor cold and that under ordinary conditions usually falls at about 85° to 90°F (29° to 32°C)

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“Physiological zero.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/physiological%20zero. Accessed 2 Dec. 2020.

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