parallelepipedon parallelepipedic • parallelepipedonal · · · Info · Definitions · Synonyms · Characters · · parallelepipedon · · Text Latin · · Script 16 · · Length Definitions · · · (noun) a prism whose bases are parallelograms. Synonyms: parallelepiped, parallelopiped, parallelopipedon. · · Noun Definition 1 Synonyms · · · parallelepiped · · Synonym 1 parallelopiped · · Synonym 2 parallelopipedon · · Synonym 3 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072