octahedron

[ ok-tuh-hee-druh n ]
/ ˌɒk təˈhi drən /

noun, plural oc·ta·he·drons, oc·ta·he·dra [ok-tuh-hee-druh] /ˌɒk təˈhi drə/.

a solid figure having eight faces.

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Origin of octahedron

1560–70; < Greek oktáedron eight-sided (neuter of oktáedros), equivalent to okta- octa- + -edron -hedron

Words nearby octahedron

octagon house, octagon scale, octagonal, octahedral, octahedrite, octahedron, octal, octal notation, octamer, octamerous, octameter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for octahedron

British Dictionary definitions for octahedron

octahedron
/ (ˌɒktəˈhiːdrən) /

noun plural -drons or -dra (-drə)

a solid figure having eight plane faces
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for octahedron

octahedron
[ ŏk′tə-hē′drən ]

Plural octahedrons octahedra

A polyhedron that has eight faces.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.