Assertion: octahedron | /r/HasProperty | plural: octahedra
Facets:
Source sentences:
text: Reg polyhedra db An octahedron (plural: octahedra) is a polyhedron with eight faces.
text: An octahedron (plural: octahedra) is a polyhedron with eight faces.
text: OCTAHEDRON (plural: octahedra) a three-dimensional shape having eight plane faces, especially a regular solid figure with eight equal triangular faces.