tristetrahedron

tristetrahedron
\(|)tris, trəs+\ noun
Etymology: tris- + tetrahedron
: a solid (as a crystal) of the tetrahedral class of the isometric system having 12 triangular faces and related to the trapezohedron of the holohedral class — compare deltohedron

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tristetrahedron Geom. and Cryst.
(ˌtrɪstɛtrəˈhiːdrɔːn, -ˈhɛdrən)
A solid figure having 12 faces, every three of which correspond to one face of the tetrahedron: either with triangular faces (= triakistetrahedron), or with trapezoidal faces. (Cf. trisoctahedron.)
In recent Dicts.

Useful english dictionary. 2012.

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  • tristetrahedron — tris·tetrahedron …   English syllables

  • trigonal tristetrahedron — noun : a tristetrahedron whose faces are triangles …   Useful english dictionary

  • tetragonal tristetrahedron — noun : deltohedron …   Useful english dictionary

  • τριστετράεδρο — το, Ν (κρυσταλλ.) κρυσταλλική μορφή που απαντά στο κυβικό σύστημα και αποτελείται από 12 έδρες, σχήματος ισοσκελούς τριγώνου, οι οποίες ανά τρεις καλύπτουν την θέση μιας τετραεδρικής έδρας και είναι αντίστοιχες τών εδρών τού τρισοεκταέδρου, αλλ.… …   Dictionary of Greek

  • triakistetrahedron — “+ noun Etymology: International Scientific Vocabulary triakis + tetrahedron : a trigonal tristetrahedron …   Useful english dictionary

  • trigonododecahedron — |trigənō, (|)trī|gōnə+ noun Etymology: International Scientific Vocabulary trigon + dodecahedron : a trigonal tristetrahedron : the hemihedral form of the isometric trapezohedron …   Useful english dictionary

  • tris- — (|)tris prefix Etymology: Greek, from tris, from treis three more at three : thrice : tripled tristetrahedron especially in complex chemical expressions …   Useful english dictionary

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