— approximative , adj.
/euh prok'seuh may"sheuhn/ , n.
1. a guess or estimate: Ninety-three million miles is an approximation of the distance of the earth from the sun.
2. nearness in space, position, degree, or relation; proximity; closeness.
3. Math. , Physics. a result that is not necessarily exact, but is within the limits of accuracy required for a given purpose.
[ 1400-50; late ME approximacioun ( approximation-, s. of approximatio. See APPROXIMATE, -ION ]