OCTAHEDRON


Meaning of OCTAHEDRON in English

[ ˌɒktə'hi:drən , -'hɛd- ]

■ noun ( plural octahedra -drə or ~s ) a three-dimensional shape having eight plane faces, in particular a regular solid figure with eight equal triangular faces.

Derivatives

octahedral adjective

Origin

C16: from Gk oktaedron , neut. (used asnoun) of oktaedros 'eight-faced'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.