parallelepiped noun. [,parǝlɛlǝ'pʌɪpɛd, parǝlɛ'lɛpɪpɛd] Also parallelipiped, parallelopiped [,parǝlɛlǝ'pʌɪpɛd], & (earlier) in Greek form parellelepipedon, pl. -da, -dons. L16.
[Greek parallēlepipedon, from parallēlos PARALLEL adjective + epipedon plane, surface, use as noun of neut. of epipedos plane, flat, formed as EPI- + pedon ground.]
Geometry. A solid figure bounded by six parallelograms, of which opposite pairs are parallel.

■ ,parallele'pipedal adjective having the form of a parallelepiped M18.

■ parallele'pipedous adjective parallelepipedal E19.

[TahlilGaran] English Dictionary ▲