vital capacity(redirected from vital capacities)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to vital capacities: total lung capacity
The amount of air that can be forcibly expelled from the lungs after breathing in as deeply as possible.
(Physiology) 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
the greatest amount of air that can be forced from the lungs after maximum inhalation.
The amount of air expelled from the lungs after taking a deep breath.
Switch to new 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|