space group

space group
The set of all symmetry operations that can be applied to a given crystal without changing it.

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  • Space group — In mathematics and geometry, a space group is a symmetry group, usually for three dimensions, that divides space into discrete repeatable domains. In three dimensions, there are 219 unique types, or counted as 230 if chiral copies are considered… …   Wikipedia

  • space group — erdvinė grupė statusas T sritis fizika atitikmenys: angl. space group vok. Raumgruppe, f rus. пространственная группа, f pranc. groupe d’espace, m; groupe spatial, m …   Fizikos terminų žodynas

  • space group — Crystall. a set of symmetry elements that brings a periodic arrangement of points on a Bravais space lattice to its original position. * * * ▪ crystallography       in crystallography, any of the ways in which the orientation of a crystal can be… …   Universalium

  • space group — noun : a group or array of symmetry elements on the points of a space lattice …   Useful english dictionary

  • 595th Space Group — Infobox Military Unit unit name= 595th Space Group caption= Emblem of the 595th Space Group dates= 19?? present country= United States allegiance= branch= United States Air Force type= Space Operations role= Combat Support size= command structure …   Wikipedia

  • 750th Space Group — Infobox Military Unit unit name= 750th Space Group caption= 750th Space Group emblem dates= 19xx Present country= United States allegiance= branch= United States Air Force type= Satellite Operations role= Combat Support size= command… …   Wikipedia

  • Group (mathematics) — This article covers basic notions. For advanced topics, see Group theory. The possible manipulations of this Rubik s Cube form a group. In mathematics, a group is an algebraic structure consisting of a set together with an operation that combines …   Wikipedia

  • space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …   Universalium

  • Space Innovation and Development Center — Infobox Military Unit unit name= Space and Missile Systems Center caption= Space Innovation and Development Center emblem dates= November 1993 Present country= United States branch= Air Force type= Space systems development and operations size=… …   Wikipedia

  • space — 1. noun /speɪs/ a) The intervening contents of a volume. If it be only a Single Letter or two that drops, he thruſts the end of his Bodkin between every Letter of that Word, till he comes to a Space: and then perhaps by forcing thoſe Letters… …   Wiktionary

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