Webster's English Dictionary

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in.for.ma.tion \.in-f*r-'ma--sh*n\ \-shn*l, -sh*n-*l\ n 1: the 
   communication or reception of knowledge or intelligence  2a: knowledge 
   obtained from investigation, study, or instruction  2b: INTELLIGENCE, NEWS  
   2c: FACTS, DATA  2d: a signal (as one of the digits in dialing a telephone 
   number) purposely  impressed upon the input of a communication system or a 
   calculating machine 3: the act of informing against a person  4: a formal 
   accusation of a crime made by a prosecuting officer as distingu ished from 
   an indictment presented by a grand jury 5: a numerical quantity that 
   measures the uncertainty in the outcome of an  experiment to be performed - 
   in.for.ma.tion.al aj