tris|oc|ta|he|dron

tris|oc|ta|he|dron
tris|oc|ta|he|dron «trihs OK tuh HEE druhn», noun, plural -drons, -dra «-druh».
a solid bounded by twenty-four equal faces, every three of which correspond to one face of an octahedron. A trigonal trisoctahedron has twenty-four triangular faces and a tetragonal trisoctahedron has twenty-four quadrilateral or trapezoidal faces.
[< Greek trís- (< trís thrice) + English octahedron]

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  • trisoctahedron — tris•oc•ta•he•dron [[t]trɪsˌɒk təˈhi drən[/t]] n. pl. drons, dra ( drə). math. a solid bounded by 24 identical faces in groups of three, each group corresponding to one face of an octahedron • Etymology: 1840–50; < Gk trís thrice +octahedron… …   From formal English to slang

  • icositetrahedron — Trisoctahedron Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron} …   The Collaborative International Dictionary of English

  • Tetragonal trisoctahedron — Trisoctahedron Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron} …   The Collaborative International Dictionary of English

  • trapezohedron — Trisoctahedron Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron} …   The Collaborative International Dictionary of English

  • Trigonal trisoctahedron — Trisoctahedron Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron} …   The Collaborative International Dictionary of English

  • Trisoctahedron — Tris*oc ta*he dron, n. [Gr. ? thrice + FE. octahedron.] (Crystallog.) A solid of the isometric system bounded by twenty four equal faces, three corresponding to each face of an octahedron. [1913 Webster] {Tetragonal trisoctahedron}, a… …   The Collaborative International Dictionary of English

  • cal — abi·o·log·i·cal; adre·no·cor·ti·cal; aero·bi·o·log·i·cal; aero·chem·i·cal; aero·log·i·cal; aero·med·i·cal; aero·nau·ti·cal; aero·phys·i·cal; aero·tech·ni·cal; aes·thet·i·cal·ly; afo·cal; ag·a·tho·kak·o·log·i·cal; ag·nat·i·cal·ly;… …   English syllables

  • ci — aca·ci·in; ac·ci·dence; ac·ci·dens; ac·ci·dent; ac·ci·den·tal·ism; ac·ci·den·tal·ist; ac·ci·den·tal·i·ty; ac·ci·den·tal·ly; ac·ci·dent·ed; ac·ci·dent·ly; ac·ci·die; ac·ci·pit·ri·dae; ad·e·no·car·ci·no·ma; adult·i·ci·dal; ae·ci·o·spore; ae·ci·um;… …   English syllables

  • kai — hai·kai; hep·ta·kai·decagon; kai; kai·bar·tha; kai·feng; kai·ka·ra; kai·ka·wa·ka; kai·ma·kam; kai·mi; kai·nah; kai·nite; kai·nos·ite; kai·ros; kai·ser; kai·ser·dom; kai·se·rin; kai·ser·ism; kai·ser·ship; kai·ta·ka; kai·thi; kai·val·ya; le·kai;… …   English syllables

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