• synonyms


[par-uh-lel-uh-pahy-pid, -pip-id]
See more synonyms on Thesaurus.com
  1. a prism with six faces, all parallelograms.
Also par·al·lel·e·pip·e·don [par-uh-lel-uh-pip-i-don, -duh n] /ˌpær əˌlɛl əˈpɪp ɪˌdɒn, -dən/, par·al·lel·o·pi·ped.

Origin of parallelepiped

1560–70; < Greek parallēlepípedon body with parallel surfaces, equivalent to parállēl(os) parallel + epípedon plane, noun use of neuter of epípedos flat, equivalent to epi- epi- + pédon ground
Related formspar·al·lel·e·pip·e·dic [par-uh-lel-uh-pip-i-dik] /ˌpær əˌlɛl əˈpɪp ɪ dɪk/, par·al·lel·e·pip·e·don·al, par·al·lel·e·pip·e·dous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for parallelepiped

Historical Examples

  • That a parallel projection of a parallelepiped is a parallelepiped.

    Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 8


  • The same may be said for the proposition about the diagonal plane of a parallelepiped.

    The Teaching of Geometry

    David Eugene Smith

  • The volume of any parallelepiped is equal to the product of its base by its altitude.

    The Teaching of Geometry

    David Eugene Smith

  • Archimedes proves that the volume of the solid so cut off is one sixth part of the volume of the parallelepiped.


    Thomas Little Heath

  • "Parallelepiped" is from the Greek parallelos (parallel) and epipedon (a plane surface), from epi (on) and pedon (ground).

    The Teaching of Geometry

    David Eugene Smith

British Dictionary definitions for parallelepiped


parallelopiped parallelepipedon (ˌpærəˌlɛləˈpaɪpɪdən)

  1. a geometric solid whose six faces are parallelograms

Word Origin

C16: from Greek parallēlepipedon; from parallēlos parallel + epipedon plane surface, from epi- + pedon ground
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

parallelepiped in Science


[păr′ə-lĕl′ə-pīpĭd, -pĭpĭd]
  1. A polyhedron with six faces, each a parallelogram and each being parallel to the opposite face.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.