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(), n.[Gr. a body with parallel surfaces; parallel + a plane surface, on the ground, or level with it, level, flat; on + the ground: cf. F. paralllopipde.] (Geom.) A solid, the faces of which are six parallelograms, the opposite pairs being parallel, and equal to each other; a prism whose base is a parallelogram. スポンサード リンク
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