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trisoctahedron

American  
[tris-ok-tuh-hee-druhn] / trɪsˌɒk təˈhi drən /

noun

plural

trisoctahedrons, trisoctahedra

  1. a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron.

trisoctahedron British  
/ trɪsˌɒktəˈhiːdrən /

noun

  1. a solid figure having 24 identical triangular faces, groups of three faces being formed on an underlying octahedron

"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

Other Word Forms

  • trisoctahedral adjective

Etymology

Origin of trisoctahedron

1840–50; < Greek trís “thrice” + octahedron ( def. )

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.