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From The Collaborative International Dictionary of English v.0.48:
Verification \Ver`i*fi*ca"tion\, n. [Cf. F. v['e]rification.] 1. The act of verifying, or the state of being verified; confirmation; authentication. [1913 Webster] 2. (Law) (a) Confirmation by evidence. (b) A formal phrase used in concluding a plea. [1913 Webster] Verification of an equation (Math.), the operation of testing the equation of a problem, to see whether it expresses truly the conditions of the problem. --Davies & Peck. (Math. Dict.) [1913 Webster]