What do a.m. and p.m. stand for?


[par-uh-lel-uh-pahy-pid, -pip-id] /ˌpær əˌlɛl əˈpaɪ pɪd, -ˈpɪp ɪd/
a prism with six faces, all parallelograms.
Also, parallelepipedon
[par-uh-lel-uh-pip-i-don, -duh n] /ˌpær əˌlɛl əˈpɪp ɪˌdɒn, -dən/ (Show IPA),
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 forms
[par-uh-lel-uh-pip-i-dik] /ˌpær əˌlɛl əˈpɪp ɪ dɪk/ (Show IPA),
parallelepipedonal, parallelepipedous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for parallelepiped
  • But you can specify them to be of any length and non-orthogonal to each other, so that they describe a tilted parallelepiped.
  • Note that these vertex weights do not sum to the total volume of the hexahedron unless the hexahedron is a parallelepiped.
  • It is comprised of a cube and a rectangular parallelepiped, linked by an entrance foyer.
British Dictionary definitions for parallelepiped


a geometric solid whose six faces are parallelograms
Word Origin
C16: from Greek parallēlepipedon; from parallēlosparallel + 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
Cite This Source
parallelepiped in Science
  (pār'ə-lěl'ə-pī'pĭd, -pĭp'ĭd)   
A polyhedron with six faces, each a parallelogram and each being parallel to the opposite face.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for parallelepiped

Some English speakers likely know this word

Word Value for parallelepiped

Scrabble Words With Friends