octahedron

English
An octahedron

Etymology

From Ancient Greek ὀκτώ (oktṓ, “eight”) + ἕδρα (hédra, “seat”).

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.

Translations
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