( n. )
The air inhaled and exhaled in respiration; air which, in the process of respiration, has parted with oxygen and has received carbonic acid, aqueous vapor, warmth, etc.
( n. )
The air inhaled and exhaled in respiration; air which, in the process of respiration, has parted with oxygen and has received carbonic acid, aqueous vapor, warmth, etc.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012