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trapezium

noun
🔊/trəˈpiːziəm/
🔊/trəˈpiːziəm/
(plural trapeziums, trapezia
🔊/trəˈpiːziə/
🔊/trəˈpiːziə/
)
(geometry几何)
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  1. (British English)
    (North American English trapezoid)
    a flat shape with four straight sides, one pair of opposite sides being parallel (= the same distance apart at every point) and the other pair not parallel梯形
    Topics Colours and Shapesc2
  2. (North American English)
    (British English trapezoid)
    a flat shape with four straight sides, none of which are parallel不规则四边形 (= the same distance apart at every point)Topics Colours and Shapesc2
    3. Word Originlate 16th cent.: via late Latin from Greek trapezion, from trapeza ‘table’.