Pronunciation: (rev"u-lOO'shu-ner"ē), [key]
—adj., n., pl. -ar•ies.
1. of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
2. radically new or innovative; outside or beyond established procedure, principles, etc.: a revolutionary discovery.
3. (cap.) of or pertaining to the American Revolution or to the period contemporaneous with it in U.S. history: Revolutionary heroes; Revolutionary weapons.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.