respiratory quotient
nounPhysiology.
the ratio of the amount of carbon dioxide released by the lungs to the amount of oxygen taken in during a given period.
Origin of respiratory quotient
1First recorded in 1885–90
Words Nearby respiratory quotient
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for respiratory quotient
respiratory quotient
noun
biology the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism, tissue, or cell in a given time
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