(n) an approximate calculation of quantity or degree or worth, Syn. estimation, approximation, idea, Example:an estimate of what it would cost; a rough idea how long it would take
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. [ Cf. F. approximation, LL. approximatio. ] 1. The act of approximating; a drawing, advancing or being near; approach; also, the result of approximating. [ 1913 Webster ]
The largest capacity and the most noble dispositions are but an approximation to the proper standard and true symmetry of human nature. I. Taylor. [ 1913 Webster ]
2. An approach to a correct estimate, calculation, or conception, or to a given quantity, quality, etc. [ 1913 Webster ]
3. (Math.) (a) A continual approach or coming nearer to a result; as, to solve an equation by approximation. (b) A value that is nearly but not exactly correct. [ 1913 Webster ]