trisoctahedron

trisoctahedron

tris·oc·ta·he·dron

T0368500 (trĭs-ŏk′tə-hē′drən)n. pl. tris·oc·ta·he·drons or tris·oc·ta·he·dra (-drə) A solid figure having 24 equal faces, every three of which correspond to one face of an octahedron.

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[Greek tris, thrice; see trei- in Indo-European roots + octahedron.]

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tris·oc′ta·he′dral (-drəl) adj.

trisoctahedron

(trɪsˌɒktəˈhiːdrən) n, pl -drons or -dra (-drə) (Mathematics) a solid figure having 24 identical triangular faces, groups of three faces being formed on an underlying octahedron[C19: from Greek tris three times + octahedron] trisˌoctaˈhedral adj

tris•oc•ta•he•dron

(trɪsˌɒk təˈhi drən)

n., pl. -drons, -dra (-drə). a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron. [1840–50; < Greek trís thrice + octahedron] tris•oc`ta•he′dral, adj.