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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

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.