/ Dictionary / Index R revolution: Meaning and Definition of Find definitions for: rev•o•lu•tion Pronunciation: (rev"u-l'shun), [key] — n. an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed. a radical and pervasive change in society and the social structure, esp. one made suddenly and often accompanied by violence. Cf. a sudden, complete or marked change in something: the present revolution in church architecture. a procedure or course, as if in a circuit, back to a starting point. a single turn of this kind. a turning round or rotating, as on an axis. a moving in a circular or curving course, as about a central point. a single cycle in such a course. (not in technical use) rotation (def. 2). the orbiting of one heavenly body around another. a single course of such movement. a round or cycle of events in time or a recurring period of time. a time of worldwide orogeny and mountain-building. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: revolution (Thesaurus) revolute revolutionary Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language