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Triakis tetrahedron - Wikipedia
In geometry, a triakis tetrahedron (or tristetrahedron, or kistetrahedron) is a Catalan solid, constructed by attaching four triangular pyramids of a ...
en.wikipedia.org
en.wikipedia.org
TRISTETRAHEDRON Definition & Meaning - Merriam-Webster
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.
www.merriam-webster.com
www.merriam-webster.com
Triakis Tetrahedron -- from Wolfram MathWorld
A triakis tetrahedron is a non-regular dodecahedron that can be constructed as a positive augmentation of a regular tetrahedron.
mathworld.wolfram.com
mathworld.wolfram.com
tristetrahedron
tristetrahedron Geom. and Cryst. (ˌtrɪstɛtrəˈhiːdrɔːn, -ˈhɛdrən) [f. tris- + tetrahedron.] 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 Di...
Oxford English Dictionary
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3 Tristetrahedron Royalty-Free Images, Stock Photos & Pictures
A diagram of Tristetrahedron. The faces of the sadtraedro correspond to half of the faces of a trapezohedron, vintage line drawing or engraving illustration ...
www.shutterstock.com
www.shutterstock.com
Tristetrahedron - 3D model by Earth Sciences, University ... - Sketchfab
The tristetrahedron is one of the many forms in the cubic crystal system. This form belongs to the Hexatetrahedral class.
sketchfab.com
sketchfab.com
tris-
tris-, prefix (trɪs) repr. Gr. τρίς thrice (which occurs as prefix, τρισ-, in numerous Gr. compounds, chiefly adjs.): used in Eng. in a few technical words of various kinds, and in Chemistry. 1. See trisagion, trisdiapason, trismegist, trisoctahedron, tristetrahedron. 2. Chem. † a. Used in the early...
Oxford English Dictionary
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Definition of tristetrahedron - Mindat
Definition of tristetrahedron. i. An isometric hemihedron included under 12 trapeziform faces; a tetragonal tristetrahedron. ... ii. An isometric hemihedron ...
www.mindat.org
www.mindat.org
Geometric Model by A. Harry Wheeler, Tristetrahedron or Triakis ...
This colorful plastic model can be considered as an "augmented" regular tetrahedron - each face of the tetrhedron is replaced by three equal isoceles triangles ...
www.si.edu
www.si.edu
Tristetrahedron -- from Wolfram MathWorld
Tristetrahedron. See. Triakis Tetrahedron · About MathWorld · MathWorld Classroom · Contribute · MathWorld Book · wolfram.com · 13,275 Entries · Last Updated: ...
mathworld.wolfram.com
mathworld.wolfram.com
tristetrahedron, n. meanings, etymology and more | Oxford English ...
The earliest known use of the noun tristetrahedron is in the 1910s. tristetrahedron is formed within English, by compounding. Etymons: tris- comb. form ...
www.oed.com
www.oed.com
triakistetrahedron (trigonal tristetrahedron) in Chinese
triakistetrahedron (trigonal tristetrahedron) in Chinese : 三四面体 …. click for more detailed Chinese translation, meaning, pronunciation and example sentences.
eng.ichacha.net
三角化四面体
在矿物学中,这种形状又称为三四面体(英语:tristetrahedron)。
性质
三角化四面体是一种卡塔兰立体,由12个面、18条边和8个顶点组成,对偶多面体是一个阿基米德立体——截角四面体。由于其对偶多面体具有点可递的性质,因此三角化四面体拥有面可递的性质,即所有面皆全等。
wikipedia.org
zh.wikipedia.org