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vital capacity

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noun Physiology.
the greatest amount of air that can be forced from the lungs after maximum inhalation.
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Origin of vital capacity

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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British Dictionary definitions for vital capacity

vital capacity

noun
physiol the volume of air that can be exhaled from the lungs after the deepest possible breath has been taken: a measure of lung function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for vital capacity

vital capacity
[ vītl ]

The maximum amount of air that can be expelled from the lungs after breathing in as deeply as possible.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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