- crystallographic polyhedron
- кристаллографический многогранник
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Point groups in three dimensions — In geometry, a point group in three dimensions is an isometry group in three dimensions that leaves the origin fixed, or correspondingly, an isometry group of a sphere. It is a subgroup of the orthogonal group O(3), the group of all isometries… … Wikipedia
Coxeter–Dynkin diagram — See also: Dynkin diagram Coxeter Dynkin diagrams for the fundamental finite Coxeter groups … Wikipedia
Icosahedral symmetry — A Soccer ball, a common example of a spherical truncated icosahedron, has full icosahedral symmetry. A regular icosahedron has 60 rotational (or orientation preserving) symmetries, and a symmetry order of 120 including transformations that… … Wikipedia
List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… … Wikipedia
List of mathematics articles (N) — NOTOC N N body problem N category N category number N connected space N dimensional sequential move puzzles N dimensional space N huge cardinal N jet N Mahlo cardinal N monoid N player game N set N skeleton N sphere N! conjecture Nabla symbol… … Wikipedia
Coordination geometry — The term coordination geometry is used in a number of related fields of chemistry and solid state chemistry/physics. Contents 1 Molecules 2 Inorganic coordination complexes 3 Crystallography usage 4 … Wikipedia
Periodic graph (crystallography) — For other uses, see Periodic graph. A (large) unit cell of Diamond crystal net; the balls represent carbon atoms and the sticks represent covalent bonds … Wikipedia
DNA nanotechnology — seeks to make artificial, designed nanostructures out of nucleic acids, such as this DNA tetrahedron.[1] Each edge of the tetrahedron is a 20 base pair DNA double helix, and each vertex is a three arm junction. DNA n … Wikipedia
pyroxene — pyroxenic /puy rok sen ik/, adj. /puy rok seen, peuh , puy rok seen /, n. any of a very common group of minerals of many varieties, silicates of magnesium, iron, calcium, and other elements, occurring as important constituents of many kinds of… … Universalium
Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium … Wikipedia
Defect — Defect, defects, or defected may refer to: Geometry and physical sciences Defect (geometry), a characteristic of a polyhedron Topological defect Isoperimetric defect Crystallographic defect, a structural imperfection in a crystal Biology and… … Wikipedia