octahedron

English

Alternative forms

Etymology

From Ancient Greek ὀκτάεδρον (oktáedron). By surface analysis, octa- +‎ -hedron.

Pronunciation

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Noun

octahedron (plural octahedra or octahedrons)

  1. (geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.

Derived terms

Translations