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 m ...
'', a French monthly business magazine
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''Expansion'' (album), by American jazz pianist Dave Burrell, released in 2004
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''Expansions'' (McCoy Tyner album), 1970
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''Expansions'' (Lonnie Liston Smith album), 1975
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''Expansión'' (Mexico), a Mexican news portal linked to CNN
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Expansion (sculpture) (2004) Bronze sculpture illuminated from within
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''Expansión'' (Spanish newspaper), a Spanish economic daily newspaper published in Spain
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Expansion pack
An expansion pack, expansion set, supplement, or simply expansion, is an addition to an existing role-playing game, tabletop game, video game, collectible card game or Miniature wargaming, miniature wargame. An expansion may introduce new rules ...
in gaming, extra content for games, often simply "expansion"
Science, technology, and mathematics
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Expansion (geometry)
In geometry, expansion is a polytope operation where Facet (mathematics), facets are separated and moved radially apart, and new facets are formed at separated elements (Vertex (geometry), vertices, Edge (geometry), edges, etc.). Equivalently t ...
, stretching of geometric objects with flat sides
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Expansion (model theory)
In universal algebra and in model theory, a reduct of an algebraic structure is obtained by omitting some of the operations and relations of that structure. The opposite of "reduct" is "expansion".
Definition
Let ''A'' be an algebraic struct ...
, in mathematical logic, a mutual converse of a reduct
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Expansion card
In computing, an expansion card (also called an expansion board, adapter card, peripheral card or accessory card) is a printed circuit board that can be inserted into an electrical connector, or expansion slot (also referred to as a bus sl ...
, in computing, a printed circuit board that can be inserted into an expansion slot
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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 of the piston, one up and one down, in one revolution of the ...
, on a two-stroke engine, a tuned exhaust system that enhances power output
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Expansion joint
A expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings, bridges, s ...
, an assembly that absorbs heat-induced expansion and contraction of construction materials
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Joule–Thomson effect
In thermodynamics, the Joule–Thomson effect (also known as the Joule–Kelvin effect or Kelvin–Joule effect) describes the temperature change of a Real gas, ''real'' gas or liquid (as differentiated from an ideal gas) when it is expanding; ty ...
or Joule–Thomson expansion, the decrease in temperature of a gas when it expands
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Thermal expansion
Thermal expansion is the tendency of matter to increase in length, area, or volume, changing its size and density, in response to an increase in temperature (usually excluding phase transitions).
Substances usually contract with decreasing temp ...
, the tendency of matter to change in shape, area, and volume in response to a change in temperature
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Expansion of the universe
The expansion of the universe is the increase in proper length, distance between Gravitational binding energy, gravitationally unbound parts of the observable universe with time. It is an intrinsic and extrinsic properties (philosophy), intrins ...
, the increase of the distance between two distant parts of the universe with time
Economics
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Expansion (economics)
An economic expansion is an upturn in the level of economic activity and of the goods and services available. It is a finite period of growth, often measured by a rise in real GDP, that marks a reversal from a previous period, for example, while ...
, 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
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*
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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 ...
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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 ...
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Expansionism
Expansionism refers to states obtaining greater territory through military Imperialism, empire-building or colonialism.
In the classical age of conquest moral justification for territorial expansion at the direct expense of another established p ...
, a policy of enlarging territory or economic influence
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Stretching
Stretching is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately expanded and flexed in order to improve the muscle's felt elasticity and achieve comfortable muscle tone. The result is a feelin ...
{{disambiguation
es:Expansión