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