 English |
 German |
|
|---|---|---|
| heptahedron; septahedron [rare] | Siebenflächner {m}; Heptaeder {m} [math.] | |
| heptahedra; heptahedrons; septahedra; septahedrons | Siebenflächner {pl}; Heptaeder {pl} | |
| heptahedral; heptahedron; seven-sided (body) | siebenflächig; siebenseitig; heptaedrisch (Körper) {adj} [math.] |