| 释义 | 
		rev·o·lu·tion I. \ˌrevəˈlüshən also -əlˈyü-\ noun (-s) Etymology: Middle English revolucioun, from Middle French revolution, from Late Latin revolution-, revolutio, from Latin revolutus (past participle of revolvere to roll back, revolve) + -ion-, -io -ion — more at revolve 1.   a.    (1)  : the act of a celestial body of going around in an orbit or elliptic course; also  : apparent movement of such a body around the earth — usually distinguished from rotation   (2)  : the time taken by a celestial body to make a complete round in its orbit   (3)  : the rotation of a celestial body on its axis — not used technically  b.  : completion of a course (as of years); also  : the period made by the regular succession of a measure of time or by a succession of similar events  c. obsolete  : cycle, epoch  d. archaic  : recurrence, repetition  e.    (1)  : a progressive motion of a body around a center or axis such that any line of the body remains throughout parallel to its initial position to which it returns on completing the circuit   (2)  : motion of any figure about a center or axis in which each point of the figure traces a circular arc of the same angular size about its projection on the axis as center    < the revolution of a right-angled triangle about one of its legs generates a cone >   (3)  : rotation 1b    < a bell rings for each revolution of the hectograph > 2.  : alteration or change in some matter or respect: as  a.  : a sudden, radical, or complete change   < a revolution in thought >   : a basic reorientation and reorganization   < a revolution in technology >  b.  : a fundamental change in political organization or in a government or constitution : the overthrow or renunciation of one government or ruler and the substitution of another by the governed  c.  : profound crustal movement involving mountain-making and other physical changes on a continent-wide or world-wide scale; also  : the interval of time during which such a movement occurs 3.   a. archaic  : a turning over in the mind or in discussion : pondering, consideration  b. obsolete  : a winding or curving form or course : twist, bend Synonyms: see rebellion II. transitive verb (-ed/-ing/-s)  : revolutionize |