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 ...
'', 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 or collectible card game. These add-ons usually add new game areas, weapons, objects, characters, or ...
in gaming, extra content for games, often simply "expansion"
Science, technology, and mathematics
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Expansion (geometry), 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 struc ...
, in mathematical logic, a mutual converse of a reduct
*
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
*
Expansion chamber
On a two-stroke engine, an expansion chamber or tuned pipe is a tuned exhaust system used to enhance its power output by improving its volumetric efficiency.
History
Expansion chambers were invented and successfully manufactured by Limbach ...
, on a two-stroke engine, a tuned exhaust system that enhances power output
*
Expansion joint, 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 or liquid (as differentiated from an ideal gas) when it is forced through a valv ...
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, area, volume, and density in response to a change in temperature, usually not including phase transitions.
Temperature is a monotonic function of the average molecular kin ...
, 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 not ex ...
, 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 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 activi ...
, 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)
*
Expansionism
Expansionism refers to states obtaining greater territory through military empire-building or colonialism.
In the classical age of conquest moral justification for territorial expansion at the direct expense of another established polity (who of ...
, 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 flexed or stretched in order to improve the muscle's felt elasticity and achieve comfortable muscle tone. The result is a feeling ...
{{disambiguation
es:Expansión