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Expansion may refer to:


Arts, entertainment and media

* ''
L'Expansion ''L'Expansion'' was a French former monthly business magazine based in Paris, France, which existed between 1967 and 2017. History and profile ''L'Expansion'' was founded by Jean-Louis Servan-Schreiber and Jean Boissonnat in 1967. In 1994 the ma ...
'', a French monthly business magazine * ''Expansion'' (album), by American jazz pianist Dave Burrell, released in 2004 * ''Expansions'' (McCoy Tyner album), 1970 * ''Expansions'' (Lonnie Liston Smith album), 1975 * ''Expansión'' (Mexico), a Mexican news portal linked to CNN * ''Expansión'' (Spanish newspaper), a Spanish economic daily newspaper published in Spain *
Expansion pack An expansion pack, expansion set, supplement, or simply expansion is an addition to an existing role-playing game, tabletop game, video game or collectible card game. These add-ons usually add new game areas, weapons, objects, characters, or an ...
in gaming, extra content for games, often simply "expansion"


Science, technology, and mathematics

*
Expansion (geometry) into a decagon by moving edges away from the center and inserting new edges in the gaps. The ''expansion'' is ''uniform'' if all the edges are the same length. In geometry, expansion is a polytope operation where Facet (mathematics), facets are se ...
, an operation on geometric objects with flat sides *
Expansion (model theory) In universal algebra Universal algebra (sometimes called general algebra) is the field of mathematics Mathematics (from Greek: ) includes the study of such topics as numbers (arithmetic and number theory), formulas and related structures (a ...
, in mathematical logic, a mutual converse of a reduct *
Expansion card In computing Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of algorithmic processes and development of both computer hardware , hardware a ...
, in computing, a printed circuit board that can be inserted into an expansion slot *
Expansion chamber On a two-stroke engine A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, t ...
, on a two-stroke engine, a tuned exhaust system that enhances power output *
Expansion joint An expansion joint or movement joint is an assembly designed to hold parts together while safely absorbing Thermal expansion, temperature-induced expansion and contraction of building materials, and vibration, or to allow movement due to ground s ...
, an assembly that absorbs heat-induced expansion and contraction of construction materials *
Joule–Thomson effect In thermodynamics Thermodynamics is a branch of physics Physics is the that studies , its , its and behavior through , and the related entities of and . "Physical science is that department of knowledge which relates to the order ...
or Joule–Thomson expansion, the decrease in temperature of a gas when it expands *
Thermal expansion Thermal expansion is the tendency of matter to change its shape A shape or figure is the form of an object or its external boundary, outline, or external surface File:Water droplet lying on a damask.jpg, Water droplet lying on a damask ...
, the tendency of matter to change in shape, area, and volume in response to a change in temperature *
Expansion of the universe The expansion of the universe is the increase in distance between any two given gravitationally unbound parts of the observable universe with time. It is an intrinsic expansion whereby ''the scale of space itself changes''. The universe does n ...
, the increase of the distance between two distant parts of the universe with time


Economics

*
Expansion (economics) An economic expansion is an increase in the level of economic activity, and of the goods and services available. It is a period of economic growth as measured by a rise in real GDP. The explanation of fluctuations in aggregate economic activity ...
, an increase in the market value of an economy over time


Sport

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Expansion team An expansion team is a new team in a sports league, usually from a city that has not hosted a team in that league before, formed with the intention of satisfying the demand for a local team from a population in a new area. Sporting leagues also ...
, a new team in a sports league


Other uses

* MV ''Expansion'', a former name of American cargo liner


See also

* * *
Expansion chamber (disambiguation)An expansion chamber is an exhaust system used on a two-stroke cycle engine to enhance its power output by improving its volumetric efficiency. Expansion chamber may also refer to: * A large-scale expansion tank such as used in a pumping station, ...
*
Elasticity (disambiguation) Elasticity often refers to: *Elasticity (physics), continuum mechanics of bodies that deform reversibly under stress Elasticity may also refer to: Information technology * Elasticity (data store), the flexibility of the data model and the clu ...
*
Expansionism In expansionism, states expand their territory through military empire-building or colonialism Colonialism is a practice or policy of control by one people or power over other people or areas, often by establishing colony, colonies and gener ...
, a policy of enlarging territory or economic influence *
Stretching Stretching is a form of physical exercise Exercise is any bodily activity that enhances or maintains physical fitness Physical fitness is a state of health Health is a state of physical, mental and social well-being Well-bein ...

Stretching
{{disambiguation es:Expansión