- an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- Sociology. a radical and pervasive change in society and the social structure, especially one made suddenly and often accompanied by violence.Compare social evolution.
- 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.
- Geology. a time of worldwide orogeny and mountain-building.
- the overthrow or repudiation of a regime or political system by the governed
- (in Marxist theory) the violent and historically necessary transition from one system of production in a society to the next, as from feudalism to capitalism
- a far-reaching and drastic change, esp in ideas, methods, etc
- movement in or as if in a circle
- one complete turn in such a circlea turntable rotating at 33 revolutions per minute
- the orbital motion of one body, such as a planet or satellite, around anotherCompare rotation (def. 5a)
- one complete turn in such motion
- a cycle of successive events or changes
- geology obsolete a profound change in conditions over a large part of the earth’s surface, esp one characterized by mountain buildingan orogenic revolution
late 14c., originally of celestial bodies, from Old French revolucion “course, revolution (of celestial bodies)” (13c.), or directly from Late Latin revolutionem (nominative revolutio) “a revolving,” noun of action from past participle stem of Latin revolvere “turn, roll back” (see revolve).
General sense of “instance of great change in affairs” is recorded from mid-15c. Political meaning “overthrow of an established political system” first recorded c.1600, derived from French, and was especially applied to the expulsion of the Stuart dynasty under James II in 1688 and transfer of sovereignty to William and Mary.
- The motion of an object around a point, especially around another object or a center of mass.
- A single complete cycle of such motion.