Dictionary.com

octahedron

[ ok-tuh-hee-druhn ]
/ ˌɒk təˈhi drən /
Save This Word!

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

a solid figure having eight faces.

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of octahedron

1560–70; <Greek oktáedron eight-sided (neuter of oktáedros), equivalent to okta-octa- + -edron-hedron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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-hēdrən ]

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.
Learning At Home Just Got Easier!