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decahedron

American  
[dek-uh-hee-druhn] / ˌdɛk əˈhi drən /

noun

Geometry.

PLURAL

decahedrons, decahedra

  1. a solid figure having ten faces.

decahedron British  
/ ˌdɛkəˈhiːdrən /

noun

  1. a solid figure having ten plane faces See also polyhedron

"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
decahedron Scientific  
/ dĕk′ə-hē′drən /

PLURAL

decahedrons

  1. A polyhedron having ten faces.

Other Word Forms

  • decahedral adjective

Etymology

Origin of decahedron

From New Latin, dating back to 1820–30; deca-, -hedron

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That “normal stuff” was the big ambition and low-key professionalism that Hamacher had pursued as the drummer for Frodus, Battery, Decahedron and other groups, and that Schleibaum continues to cultivate as the guitarist in Virginia metal heavies Darkest Hour.

From Washington Post

Decahedron, dek-a-hē′dron, n. a solid figure having ten faces.—adj.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.