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 trisoctahedron each face of which is a quadrilateral; called also {trapezohedron} and {icositetrahedron}.

{Trigonal trisoctahedron}, a trisoctahedron each face of which is an isosceles triangle. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Trapezohedron — Trap e*zo*he dron, n. [NL., from trapezium + Gr. ? seat, base, fr. ? to sit.] (Crystalloq.) (a) A solid bounded by twenty four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under {Trisoctahedron}. (b) A tetartohedral… …   The Collaborative International Dictionary of English

  • trapezohedron — [trə pē΄zō hē′drən, trap΄i zōhē′drən] n. [ModL: see TRAPEZIUM & HEDRON] a solid figure, esp. a crystal, all of whose faces are trapeziums …   English World dictionary

  • Trapezohedron — Set of trapezohedra Faces 2n kites Edges 4n Vertices 2n+2 Face configuration V3.3.3.n …   Wikipedia

  • trapezohedron — noun (plural drons or trapezohedra) Etymology: New Latin, from trapezium + o + hedron Date: circa 1822 a crystalline form whose faces are trapeziums …   New Collegiate Dictionary

  • trapezohedron — trapezohedral, adj. /treuh pee zeuh hee dreuhn, trap euh /, n., pl. trapezohedrons, trapezohedra / dreuh/. 1. Crystall. a crystal form having all faces trapeziums. 2. Geom. a trapezoid trisoctahedron. [1810 20; TRAPEZ(OID) + O + HEDRON] * * * …   Universalium

  • trapezohedron — noun Any of several forms of crystal with trapezia as faces …   Wiktionary

  • trapezohedron — trape·zo·he·dron …   English syllables

  • trapezohedron — tra•pe•zo•he•dron [[t]trəˌpi zəˈhi drən, ˌtræp ə [/t]] n. pl. drons, dra [[t] drə[/t]] cry a crystal form having all faces trapeziums • Etymology: 1810–20 …   From formal English to slang

  • trapezohedron — /trəpizoʊˈhidrən/ (say truhpeezoh heedruhn) noun (plural trapezohedrons or trapezohedra /trəpizoʊˈhidrə/ (say truhpeezoh heedruh)) a three dimensional shape with all its faces trapeziums, as in some crystals. {trapez(ium) + o + hedron} …   Australian English dictionary

  • trapezohedron — noun a polyhedron whose faces are trapeziums • Hypernyms: ↑polyhedron …   Useful english dictionary

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