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  • Tetrahedron — Beschreibung Fachzeitschrift Fachgebiet Chemie Sprache Englisch V …   Deutsch Wikipedia

  • Tetrahedron — Tet ra*he dron, n. [Tetra + Gr. ? seat, base, fr. ? to sit.] (Geom.) A solid figure inclosed or bounded by four triangles. [1913 Webster] Note: In crystallography, the regular tetrahedron is regarded as the hemihedral form of the regular… …   The Collaborative International Dictionary of English

  • tetrahedron — solid figure contained by four triangular surfaces, 1560s, from Late Gk. tetraedron, originally neuter of tetraedros (adj.) four sided, from tetra four + hedra seat, base, chair, face of a geometric solid, from PIE root *sed to sit (see SEDENTARY …   Etymology dictionary

  • tetrahedron — ► NOUN (pl. tetrahedra or tetrahedrons) ▪ a solid having four plane triangular faces. DERIVATIVES tetrahedral adjective …   English terms dictionary

  • tetrahedron — [te΄trə hē′drən] n. pl. tetrahedrons or tetrahedra [tet΄rə hē′drə] [ModL < neut. of LGr tetraedros, four sided: see TETRA & HEDRON] a solid figure with four triangular faces: see POLYHEDRON …   English World dictionary

  • Tetrahedron — For the academic journal, see Tetrahedron (journal). Regular Tetrahedron (Click here for rotating model) Type Platonic solid Elements F = 4, E = 6 V = 4 (χ = 2) Faces by s …   Wikipedia

  • tetrahedron —    A polyhedron with four two dimensional faces, six edges, and six vertices. It is the simplest of all polyhedrons, and is a type of pyramid. The sides of a right tetrahedron are identical equilateral triangles. The regular tetrahedron is one of …   Glossary of Art Terms

  • tetrahedron — /te treuh hee dreuhn/, n., pl. tetrahedrons, tetrahedra / dreuh/. 1. Geom. a solid contained by four plane faces; a triangular pyramid. 2. any of various objects resembling a tetrahedron in the distribution of its faces or apexes. [1560 70; TETRA …   Universalium

  • tetrahedron — noun /tɛtrəˈhiːdrən/ a polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids. See Also: tetrahedral …   Wiktionary

  • tetrahedron — tet•ra•he•dron [[t]ˌtɛ trəˈhi drən[/t]] n. pl. drons, dra ( drə). 1) math. a solid contained by four plane faces; a triangular pyramid 2) any of various objects resembling a tetrahedron • Etymology: 1560–70; < LGk tetráedron …   From formal English to slang

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