平へい行こう六ろく面めん体たいへいこうろくめんたいじ字FuriganaMeanings1nounparallelepipedmathematics›Mathematical term for a six-faced polyhedron whose faces are parallelograms. Used in geometry and linear algebra.平へい行こう六ろく面めん体たいの体たい積せきは、三みっつ
