| 单词 | revolution |
| 释义 | revolution /rev'euh looh"sheuhn/, n. 1. an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed. 2. Sociol. a radical and pervasive change in society and the social structure, esp. one made suddenly and often accompanied by violence. Cf. social evolution. 3. a sudden, complete or marked change in something: the present revolution in church architecture. 4. a procedure or course, as if in a circuit, back to a starting point. 5. a single turn of this kind. 6. Mech. a. a turning round or rotating, as on an axis. b. a moving in a circular or curving course, as about a central point. c. a single cycle in such a course. 7. Astron. a. (not in technical use) rotation (def. 2). b. the orbiting of one heavenly body around another. c. a single course of such movement. 8. a round or cycle of events in time or a recurring period of time. 9. Geol. a time of worldwide orogeny and mountain-building. [1350-1400; ME revolucion < LL revolution- (s. of revolutio), equiv. to revolut(us) (see REVOLUTE) + -ion- -ION] Syn. 5. cycle, circuit, round, rotation. |
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