| 单词 | approximation |
| 释义 | approximation —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 ( < MF) < ML approximation-, s. of approximatio. See APPROXIMATE, -ION] |
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