basal metabolism

American  

noun

Physiology.

1. the minimal amount of energy necessary to maintain respiration, circulation, and other vital body functions while fasting and at total rest.

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basal metabolism British  

noun

1. the amount of energy required by an individual in the resting state, for such functions as breathing and circulation of the blood See basal metabolic rate

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basal metabolism Cultural  

1. The rate at which an inactive, resting organism expends energy.

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Etymology

Origin of basal metabolism

First recorded in 1910–15

Example Sentences

Intermittent fasting and other timed eating regimens ultimately reduce caloric intake, raising similar concerns of slowing basal metabolism.

From Scientific American • Jun. 14, 2023

Intuition might whisper that a brisk resting heart rate would also correlate with an increased basal metabolism, but that isn’t the case.

From Scientific American • Jun. 14, 2023

Its hormones regulate basal metabolism, oxygen use, nutrient metabolism, the production of ATP, and calcium homeostasis.

From Textbooks • Jun. 19, 2013

In it will be still more modern equipment, notably diathermy and basal metabolism machines.

From Time Magazine Archive

This measurement represents the basal metabolism of a man at complete rest, when his oxidative activities are at their lowest ebb.

From Food in War Time by Lusk, Graham