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noun par·al·lel·e·pi·ped \ˌpa-rə-ˌle-lə-ˈpī-pəd also -ˌle-ˈle-pə-ˌped\

Definition of parallelepiped

  1. :  a 6-faced polyhedron all of whose faces are parallelograms lying in pairs of parallel planes

Origin and Etymology of parallelepiped

Greek parallēlepipedon, from parallēlos + epipedon plane surface, from neuter of epipedos flat, from epi- epi- + pedon ground; akin to Latin ped-, pes foot — more at foot

First Known Use: 1570

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