( n. )
A formal and elaborate preliminary treatise; specifically, a treatise introductory to other treatises, or to a course of study; a guide; as, an introduction to English literature.
( n. )
A formal and elaborate preliminary treatise; specifically, a treatise introductory to other treatises, or to a course of study; a guide; as, an introduction to English literature.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012