vital capacity

noun Physiology.

1. the greatest amount of air that can be forced from the lungs after maximum inhalation.

noun

1. 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

n.

1. The amount of air that can be forcibly expelled from the lungs following breathing in as deeply as possible.respiratory capacity

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