dodecahedron

[ doh-dek-uh-hee-druhn, doh-dek- ]
/ doʊˌdɛk əˈhi drən, ˌdoʊ dɛk- /

noun, plural do·dec·a·he·drons, do·dec·a·he·dra [doh-dek-uh-hee-druh, doh-dek-]. /doʊˌdɛk əˈhi drə, ˌdoʊ dɛk-/. Geometry, Crystallography.

a solid figure having 12 faces.

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Origin of dodecahedron

First recorded in 1560–70; dodeca- + -hedron

OTHER WORDS FROM dodecahedron

do·dec·a·he·dral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dodecahedron

British Dictionary definitions for dodecahedron

dodecahedron
/ (ˌdəʊdɛkəˈhiːdrən) /

noun

a solid figure having twelve plane faces. A regular dodecahedron has regular pentagons as facesSee also polyhedron

Derived forms of dodecahedron

dodecahedral, adjective
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 dodecahedron

dodecahedron
[ dō′dĕk-ə-hēdrən ]

Plural dodecahedrons dodecahedra

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