vital capacity

vital capacity

n.

The amount of air that can be forcibly expelled from the lungs after breathing in as deeply as possible.

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vital capacity  (vtl)

The maximum amount of air that can be expelled from the lungs after breathing in as deeply as possible.

Thesaurus

Noun

1.

vital capacity - the maximum amount of air that can be exhaled after a maximum inhalation (usually tested with a spirometer); used to determine the condition of lung tissue diagnostic assay, diagnostic test - an assay conducted for diagnostic purposes capacity, content - the amount that can be contained; "the gas tank has a capacity of 12 gallons"