( n. )
Any one of the active processes going on in an organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice.
( n. )
Any one of the active processes going on in an organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012