(pr`l*ll`*p"pd), n. [Gr. para`llhlos parallel + 'epi`pedon a plane surface, 'epi`pedos on the ground, or level with it, level, flat; 'epi` on + pe`don 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.
Syn. -- parallelepiped, parallelepipedon, parallelopipedon.
[1913 Webster]


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Mon 23rd November 2020