释义 |
WordReference Random House Learner's Dictionary of American English © 2024rev•o•lu•tion /ˌrɛvəˈluʃən/USA pronunciation n. - Governmenta complete overthrow and replacement of an established government by force: [uncountable]This country does not change its government by revolution.[countable]a number of revolutions in recent years.
- Sociology a sudden, complete change in something:[countable]a social revolution caused by automation.
- [countable]
- Mechanicsa turning round or rotating around a single point:The engine was racing at over 50,000 revolutions per minute.
- Mechanicsa moving in a curving course, as about a central point:one complete revolution around the racetrack.
- Astronomy the orbiting of one heavenly body around another:[countable]The earth's revolution around the sun takes one year.
rev•o•lu•tion•ist, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024rev•o•lu•tion (rev′ə lo̅o̅′shən),USA pronunciation n. - Governmentan overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- Sociologya radical and pervasive change in society and the social structure, esp. one made suddenly and often accompanied by violence. Cf. social evolution.
- Sociologya 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.
- [Mech.]
- Mechanicsa turning round or rotating, as on an axis.
- Mechanicsa moving in a circular or curving course, as about a central point.
- Mechanicsa single cycle in such a course.
- Astronomy
- (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.
- Geologya time of worldwide orogeny and mountain-building.
- Late Latin revolūtiōn- (stem of revolūtiō), equivalent. to revolūt(us) (see revolute) + -iōn- -ion
- Middle English revolucion 1350–1400
- 5.See corresponding entry in Unabridged cycle, circuit, round, rotation.
Collins Concise English Dictionary © HarperCollins Publishers:: revolution /ˌrɛvəˈluːʃən/ n - 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 circle: a turntable rotating at 33 revolutions per minute
- the orbital motion of one body, such as a planet or satellite, around another
- one complete turn in such motion
- a cycle of successive events or changes
Etymology: 14th Century: via Old French from Late Latin revolūtiō, from Latin revolvere to revolve |