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单词 trapezoid
释义

WordReference Random House Learner's Dictionary of American English © 2024
trap•e•zoid /ˈtræpəˌzɔɪd/USA pronunciation   n. [countable]
  1. Mathematicsa four-sided figure having two sides that are parallel and two sides that are not parallel.
trap•e•zoi•dal, adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
trap•e•zoid  (trap′ə zoid′),USA pronunciation n. 
  1. [Geom.]
    • a quadrilateral plane figure having two parallel and two nonparallel sides.
    • [Brit.]trapezium (def. 1b).
  2. [Anat.]a bone in the wrist that articulates with the metacarpal bone of the forefinger.

adj. 
  1. Also, trap′e•zoi′dal.[Geom.]of, pertaining to, or having the form of a trapezoid.
  • Late Greek trapezoeidé̄s trapeziumlike. See trapezium, -oid
  • Neo-Latin trapezoīdēs
  • 1695–1705

Collins Concise English Dictionary © HarperCollins Publishers::
trapezoid /ˈtræpɪˌzɔɪd/ n
  1. a quadrilateral having neither pair of sides parallel
  2. Also called: (Brit, Austral., NZ, and South African) trapezium US Canadian a quadrilateral having two parallel sides of unequal length
Etymology: 18th Century: from New Latin trapezoidēs, from Late Greek trapezoeidēs trapezium-shaped, from trapeza table
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更新时间：2025/7/25 16:50:36