"heptahedra" in German heptahedra Siebenflächner Heptaeder Detailed translations for "heptahedra" heptahedra heptahedra(also: heptahedrons, septahedra, septahedrons) Siebenflächner{masculine plural} heptahedra(also: heptahedrons, septahedra, septahedrons) Heptaeder{masculine plural}