octahedron
English
An octahedron
Alternative forms
Etymology
From Ancient Greek ὀκτώ (oktṓ, “eight”) + ἕδρα (hédra, “seat”).
Pronunciation
Audio (UK) (file)
Noun
octahedron (plural octahedra or octahedrons)
- (geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
Derived terms
- cuboctahedron
- stellated octahedron
- truncated octahedron
Related terms
Translations
a polyhedron with eight faces
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