( v. i. )
To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.
( v. i. )
To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012