Expansion may refer to: Arts, entertainment and media L'Expansion, 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 Expansion (sculpture) (2004) Bronze sculpture illuminated from within Expansión (Spanish newspaper), a Spanish economic daily newspaper published in Spain Expansion pack in gaming, extra content for games, often simply "expansion" Science, technology, and mathematics Expansion (geometry), stretching of geometric objects with flat sides Expansion (model theory), in mathematical logic, a mutual converse of a reduct Expansion card, in computing, a printed circuit board that can be inserted into an expansion slot Expansion chamber, 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 Joule–Thomson effect or Joule–Thomson expansion, the decrease in temperature of a gas when it expands Thermal expansion, the tendency of matter to change in shape, area, and volume in response to a change in temperature Expansion of the universe, the increase of the distance between two distant parts of the universe with time Economics Expansion (economics), an increase in the market value of an economy over time Sport Expansion team, a new team in a sports league Other uses MV Expansion, a former name of American cargo liner See also Expansion chamber (disambiguation) Elasticity (disambiguation) Expansionism, a policy of enlarging territory or economic influence Stretching es:Expansión