| 释义 |
trapeziform, a.|trəˈpiːzɪfɔːm|
[f. trapezium + -iform. Cf. F. trapéziforme (Littré).]
Having the form of a trapezium; quadrilateral with only two sides parallel.
1776J. Lee Introd. Bot. Explan. Terms, Trapeziforme, trapeziform. 1817Kirby & Sp. Entomol. (1843) II. 145 The wax-pockets in the hive-bee..two trapeziform whitish pockets. 1834McMurtrie Cuvier's Anim. Kingd. 375 In Mycterus,..the body is ovoid,..and the thorax trapeziform. 1868Rep. U.S. Commissioner Agric. (1869) 100 The family Tenebrionidæ consists of insects..having the thorax square or trapeziform, and as broad behind as the base of the wing⁓cases (Westwood). 1890Cent. Dict. s.v. Projection, Trapeziform map-projection, a map-projection in which the space between two meridians and two parallels is represented by a trapezoid [i.e. a trapezium]. |