trisoctahedron

[tris-ok-tuh-hee-druhn]

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

/ trɪsˌɒktəˈhiːdrən /

noun

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

Other Word Forms

• trisoctahedral adjective

Word History and Origins

Origin of trisoctahedron¹

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

Word History and Origins

Origin of trisoctahedron¹

C19: from Greek tris three times + _octahedron

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.

Read more on Project Gutenberg