- prismatic group
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призматическая группа
English-Russian dictionary of geology. 2011.
prismatic group
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Prismatic uniform polyhedron — A pentagrammic antiprism is made of two regular pentagrams and 10 equilateral triangles. In geometry, a prismatic uniform polyhedron is a uniform polyhedron with dihedral symmetry. They exist in two infinite families, the uniform prisms and the… … Wikipedia
Prismatic compound of antiprisms with rotational freedom — Each member of this infinite family of uniform polyhedron compounds is a symmetric arrangement of antiprisms sharing a common axis of rotational symmetry. It arises from superimposing two copies of the corresponding prismatic compound of… … Wikipedia
Prismatic compound of prisms with rotational freedom — Each member of this infinite family of uniform polyhedron compounds is a symmetric arrangement of prisms sharing a common axis of rotational symmetry. It arises from superimposing two copies of the corresponding prismatic compound of prisms… … Wikipedia
Prismatic compound of antiprisms — Each member of this infinite family of uniform polyhedron compounds is a symmetric arrangement of antiprisms sharing a common axis of rotational symmetry.This infinite family can be enumerated as follows: *For each positive integer n >1 and for… … Wikipedia
Prismatic compound of prisms — Each member of this infinite family of uniform polyhedron compounds is a symmetric arrangement of prisms sharing a common axis of rotational symmetry.This infinite family can be enumerated as follows: *For each positive integer n >1 and for each… … Wikipedia
Point group — The Bauhinia blakeana flower on the Hong Kong flag has C5 symmetry; the star on each petal has D5 symmetry. In geometry, a point group is a group of geometric symmetries (isometries) that keep at least one point fixed. Point groups can exist in a … Wikipedia
Grand Prismatic Spring — The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world, [cite web | title=Steam Explosions, Earthquakes, and Volcanic Eruptions What’s in Yellowstone’s Future? |… … Wikipedia
Omnitruncated triangular-hexagonal prismatic honeycomb — Type Uniform honeycomb Schläfli symbol t0,1,2{6,3} x {∞} Coxeter Dynk … Wikipedia
Convex uniform honeycomb — The alternated cubic honeycomb is one of 28 space filling uniform tessellations in Euclidean 3 space, composed of alternating yellow tetrahedra and red octahedra. In geometry, a convex uniform honeycomb is a uniform tessellation which fills three … Wikipedia
Uniform polytope — A uniform polytope is a vertex transitive polytope made from uniform polytope facets. A uniform polytope must also have only regular polygon faces.Uniformity is a generalization of the older category semiregular, but also includes the regular… … Wikipedia
Coxeter–Dynkin diagram — See also: Dynkin diagram Coxeter Dynkin diagrams for the fundamental finite Coxeter groups … Wikipedia
