Semiregular

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• Semiregular variable star — Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20… …   Wikipedia

• Semiregular polyhedron — A semiregular polyhedron is a polyhedron with regular faces and a symmetry group which is transitive on its vertices. Or at least, that is what follows from Thorold Gosset s 1900 definition of the more general semiregular polytope. [Thorold… …   Wikipedia

• Semiregular k 21 polytope — In geometry, a semiregular k21 polytope is a polytope in (k+4) dimensions constructed from the En Coxeter group, and having only regular polytope facets. The family was named by Coxeter as k21 by its bifurcating Coxeter Dynkin diagram, with a… …   Wikipedia

• Semiregular 4-polytope — In geometry, a semiregular 4 polytope (or polychoron) is a 4 dimensional polytope which is vertex transitive (i.e. the symmetry group of the polytope acts transitively on the vertices) and whose cells are regular polyhedra. These represent a… …   Wikipedia

• Semiregular space — A semiregular space is a topological space whose regular open sets form a base. Compare to the stronger elementary properties of a regular space …   Wikipedia

• semiregular — adjective Somewhat regular; occasional …   Wiktionary

• semiregular — se|mi|re|gu|lar Mot Agut Adjectiu invariable …   Diccionari Català-Català

• semiregular tessellation — noun A tessellation of the plane by two or more different convex regular polygons. Syn: Archimedean tessellation See Also: regular tessellation …   Wiktionary

• List of semiregular variable stars — This is a list of semiregular variable stars.ee also* List of stars * Variable star designation …   Wikipedia

• Teselado regular — Un teselado regular, teselación regular o teselado con polígonos regulares es una teselación o teselado del plano que emplea un solo tipo de polígonos regulares,[1] que ha sido ampliamente utilizada desde la antigüedad. Solo son posibles… …   Wikipedia Español

• Vertex configuration — In polyhedral geometry a vertex configuration is a short hand notation for representing a polyhedron vertex figure as the sequence of faces around a vertex. For uniform polyhedra there is only one vertex type and therefore the vertex… …   Wikipedia