{{wiktionary}} '''Formation''' may refer to: {{tocright}} ==Linguistics== * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes
==Mathematics and science== * Cave formation or speleothem, a secondary mineral deposit formed in a cave * Class formation, a topological group acting on a module satisfying certain conditions * Formation (group theory), a class of groups that is closed under some operations * Formation constant, an equilibrium constant for the formation of a complex in solution * Formation enthalpy, standard heat of formation of a compound * Formation (geology), a formally named rock stratum or geological unit * Formation of rocks, how rocks are formed * Formation and evolution of the Solar System, history of the Solar System * Rock formation, an isolated, scenic, or spectacular surface rock outcrop * Vegetation formation, a concept used to classify vegetation communities
==Technology== * Formation level, the native material underneath a constructed road, pavement or railway *Formation (Li-ion battery), a process step in the manufacture of Li-ion batteries necessary for long cell life<!-- where the Solid Electrolyte Interface (SEI) is formed, during the first one or several charge cycles of a new battery cell --> * Formation water, water that is produced as a byproduct during oil and gas production
==Military== * Formation flying, the disciplined flight of two or more aircraft under the command of a flight leader * Formation (military), a high-level military organization * Tactical formation, the arrangement or deployment of moving military forces * Formation, an element in order of battle as a formal assembly of military personnel usually to receive the course of actions (operation order) or get deployed to operations ** Formation may be tactical or ceremonial
==Music== * Formation Records, a record label headed by DJ SS * "Formation" (song), a song by American singer Beyoncé on her 2016 album ''Lemonade'' * The Formation World Tour, concert tour by Beyoncé for her album ''Lemonade''
==Religion== * Formations or ''saṅkhāra'', an important Buddhist concept * Formation in the Catholic Church, the personal preparation that the Catholic Church offers to people with a defined mission
==Sports== * Formation (association football), how team players are positioned on the pitch * Formation (American football), the positions in which players line up before the start of a down * Formation (bandy), how the players are positioned on the rink * Formation dance, a style of ballroom dancing * Formation finish, a staged motor-race finish in which multiple vehicles of the same team cross the finish line together
==Writing== * ''Formation'' (book), a bildungsroman by Brad Mehldau
==Other== * Contract formation in law; an offer, acceptance, consideration, and a mutual intent to be bound * Formation 8, an American venture capital firm in San Francisco, California * Formation of a coalition government, led by a formateur * Government formation in a parliamentary system * Formations, imprint of Ohio State University Press
==See also== * {{lookfrom}} * {{intitle}} * 4mations, defunct video hosting website * Form (disambiguation)
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