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trisoctahedron

[ tris-ok-tuh-hee-druhn ]

noun

, plural tris·oc·ta·he·drons, tris·oc·ta·he·dra [tris-ok-t, uh, -, hee, -dr, uh].
  1. a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron.


trisoctahedron

/ 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
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Derived Forms

  • trisˌoctaˈhedral, adjective
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Other Words From

  • tris·octa·hedral adjective
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Word History and Origins

Origin of trisoctahedron1

1840–50; < Greek trís “thrice” + octahedron ( def )
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Word History and Origins

Origin of trisoctahedron1

C19: from Greek tris three times + octahedron
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Example Sentences

Trisoctahedron, tris-ok′ta-hē-dron, n. a solid bounded by twenty-four equal faces, three corresponding to each face of an octahedron.

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