Webster's English Dictionary

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revolution

Cross references:
  1. rebellion             
 
rev.o.lu.tion \.rev-*-'lu:-sh*n\ n [ME revolucioun, fr. MF revolution, fr. 
   LL revolution-, re]volutio, fr. L revolutus, pp. of revolvere 1a1: the 
   action by a celestial body of going round in an orbit or elliptic  course; 
   also : apparent movement of such a body round the earth 1a2: the time taken 
   by a celestial body to make a complete round in its orb it 1a3: the 
   rotation of a celestial body on its axis  1b: 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 1c1: a progressive motion of a 
   body round a center or axis so that any line  of the body remains parallel 
   to and returns to an initial position 1c2: motion of any figure about a 
   center or axis  1c3: ROTATION  2a: a sudden, radical, or complete change  
   2b: a fundamental change in political organization; esp : the overt hrow or 
   renunciation of one government or ruler and the substitution of another by 
   the governed