noun pl. heptahedrons or heptahedra
Origin: ModL: see hepta- & -hedron
Related Forms:
See heptahedron in American Heritage Dictionary 4
Browse entries near heptahedron
Hephaestus
Hepplewhite
heptachlor
heptad
heptagon
heptamerous
heptameter
heptane
heptarchy
heptastich