"heptaeder" in English Heptaeder {m} septahedron Heptaeder {m pl} heptahedra heptahedrons septahedra septahedrons Detailed translations for "heptaeder" der Heptaeder{masculine} Heptaeder septahedron Heptaeder{masculine plural} Heptaeder(also: Siebenflächner) heptahedra Heptaeder(also: Siebenflächner) heptahedrons Heptaeder(also: Siebenflächner) septahedra Heptaeder(also: Siebenflächner) septahedrons