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trisoctahedron

[ tris-ok-tuh-hee-druhn ]
/ trɪsˌɒk təˈhi drən /
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noun, plural tris·oc·ta·he·drons, tris·oc·ta·he·dra [tris-ok-tuh-hee-druh]. /trɪsˌɒk təˈhi drə/.
a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron.
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Origin of trisoctahedron

1840–50; <Greek trís “thrice” + octahedron

OTHER WORDS FROM trisoctahedron

tris·oc·ta·he·dral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for trisoctahedron

trisoctahedron
/ (trɪsˌɒktəˈhiːdrən) /

noun plural -drons or -dra (-drə)
a solid figure having 24 identical triangular faces, groups of three faces being formed on an underlying octahedron

Derived forms of trisoctahedron

trisoctahedral, adjective

Word Origin for trisoctahedron

C19: from Greek tris three times + 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
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