Octahedron



[ok-tuh-hee-druh n] /ˌɒk təˈhi drən/

noun, plural octahedrons, octahedra
[ok-tuh-hee-druh] /ˌɒk təˈhi drə/ (Show IPA)
1.
a solid figure having eight faces.
/ˌɒktəˈhiːdrən/
noun (pl) -drons, -dra (-drə)
1.
a solid figure having eight plane faces
n.

1560s, from Greek oktahedron, neuter of oktahedros “eight-sided,” from okta- “eight” (see octa-) + hedra “seat” (see sedentary). Related: Octahedral.
octahedron
(ŏk’tə-hē’drən)
Plural octahedrons or octahedra
A polyhedron that has eight faces.

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