Webster's English Dictionary

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regulation

Cross references:
  1. law                   
 
reg.u.la.tion \.reg-y*-'la--sh*n\ n 1: the act of regulating : state of 
   being regulated  2a: an authoritative rule dealing with details of 
   procedure  2b: a rule or order having the force of law issued by an 
   executive authorit y of a government 3a: redistribution of material (as in 
   an embryo) to restore a damaged or lo st part independent of new tissue 
   growth 3b: the mechanism by which an early embryo maintains normal 
   development