respiratory quotient

noun

Definition of respiratory quotient

: a ratio indicating the relation of the volume of carbon dioxide given off in respiration to that of the oxygen consumed

First Known Use of respiratory quotient

1879, in the meaning defined above

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Time Traveler for respiratory quotient

Time Traveler

The first known use of respiratory quotient was in 1879

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Cite this Entry

“Respiratory quotient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respiratory%20quotient. Accessed 16 Jun. 2021.

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More Definitions for respiratory quotient

respiratory quotient

noun

Medical Definition of respiratory quotient

: the ratio of the volume of carbon dioxide given off in respiration to that of the oxygen consumed that has a value near 1 when the organism is burning chiefly carbohydrates, near 0.7 when chiefly fats, and near 0.8 when chiefly proteins but sometimes exceeding 1 when carbohydrates are being changed to fats for storage abbreviation RQ

More from Merriam-Webster on respiratory quotient

Britannica.com: Encyclopedia article about respiratory quotient

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