'parallelepipedon' definitions:

Definition of 'parallelepipedon'

(from WordNet)
noun
A prism whose bases are parallelograms [syn: parallelepiped, parallelopiped, parallelepipedon, parallelopipedon]

Definition of 'parallelepipedon'

From: GCIDE
  • parallelepipedon \parallelepipedon\ n. (Geometry) Same as parallelepiped.
  • Syn: parallelepiped, parallelopiped, parallelopipedon. [WordNet 1.5]