| 单词 | trapezoid |
| 释义 | trapezoid /trap"euh zoyd'/, n. 1. Geom. a. a quadrilateral plane figure having two parallel and two nonparallel sides. b. Brit. trapezium (def. 1b). 2. Anat. a bone in the wrist that articulates with the metacarpal bone of the forefinger. adj. 3. Also, trapezoidal. Geom. of, pertaining to, or having the form of a trapezoid. [1695-1705; < NL trapezoides < LGk trapezoeidés trapeziumlike. See TRAPEZIUM, -OID] |
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