Formation
Encyclopedia
Formation may refer to:
• Formation flying
Formation flying
Formation flying is the disciplined flight of two or more aircraft under the command of a flight leader.Military pilots use formations for mutual defense and concentration of firepower....

, aerobatics performed with several aircraft
• Formation (military), a high-level military organization
• Tactical formation
Tactical formation
A tactical formation is the arrangement or deployment of moving military forces such as infantry, cavalry, AFVs, military aircraft, or naval vessels...

, the physical deployment of military forces

## Sports

• Formation (football)
Formation (football)
In association football, the formation describes how the players in a team are positioned on the pitch. Different formations can be used depending on whether a team wishes to play more attacking or defensive football....

, tactical formation in association football
• Formation (American football)
Formation (American football)
A formation in American football refers to the position players line up in before the start of a down. There are both offensive and defensive formations and there are many formations in both categories.-Offense:...

, a set-up before the snap in American football
• Formation dance
Formation dance
Formation dance is a style of ballroom dancing. It is pattern or shadow team dancing by couples in a formation team. The choreography may be based on a particular dance or a medley of dances...

, dance routines performed in a group

## Mathematics and science

• Class formation
Class formation
In mathematics, a class formation is a structure used to organize the various Galois groups and modules that appear in class field theory. They were invented by Emil Artin and John Tate.-Definitions:...

; an axiomatization of class field theory in mathematics
• Formation (group theory)
Formation (group theory)
In mathematical group theory, a formation is a class of groups closed under taking images and such that if G/M and G/N are in the formation then so is G/M∩N...

A class of groups
• Formation (stratigraphy); a formally named rock stratum or geological unit
• Rock formation; a mass of bedrock displaying a curious or interesting shape - see List of rock formations
• Cave formation; a speleothem
Speleothem
A speleothem , commonly known as a cave formation, is a secondary mineral deposit formed in a cave. Speleothems are typically formed in limestone or dolostone solutional caves.-Origin and composition:...

• (Oxide) formation: Anodization of a metal during manufacturing of electrolytic capacitor
Electrolytic capacitor
An electrolytic capacitor is a type of capacitor that uses an electrolyte, an ionic conducting liquid, as one of its plates, to achieve a larger capacitance per unit volume than other types. They are often referred to in electronics usage simply as "electrolytics"...

s
• In the study of ecosystem
Ecosystem
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving , physical components of the environment with which the organisms interact, such as air, soil, water and sunlight....

s, a community formed by groups of plants which have adapted themselves to similar climatic conditions

## Music

• Formation, a music album by Kirk Fogg
• Formation Records
Formation Records
Formation Records is a Leicester-based drum and bass label that was founded in 1989 by DJ SS and his partner Eidris. The label came to prominence from 1992 onwards releasing countless classics of darkside hardcore/jungle over the next couple of years...

, a record label
• "Formations", A metal band from Portland Oregon

## Linguistics

• Derivation (linguistics)
Derivation (linguistics)
In linguistics, derivation is the process of forming a new word on the basis of an existing word, e.g. happi-ness and un-happy from happy, or determination from determine...

, the process of creating new lexemes from other lexemes
• Back-formation
Back-formation
In etymology, back-formation is the process of creating a new lexeme, usually by removing actual or supposed affixes. The resulting neologism is called a back-formation, a term coined by James Murray in 1889...

, a word formed from an erroneous reconstruction an original linguistic form from a form mistakenly thought to be derived from it

## Other

• Formation (paper property), defining the fibre distribution within the paper sheet
• Offer and acceptance
Offer and acceptance
Offer and acceptance analysis is a traditional approach in contract law used to determine whether an agreement exists between two parties. Agreement consists of an offer by an indication of one person to another of the offeror's willingness to enter into a contract on certain terms without...

, an analysis of contract formation in law
• Forming a coalition government
Coalition government
A coalition government is a cabinet of a parliamentary government in which several political parties cooperate. The usual reason given for this arrangement is that no party on its own can achieve a majority in the parliament...

, as performed by a formateur
• Track formation, the earthworks supporting a railway track comprising the blanket and subgrade
• Saṅkhāra
Sankhara
' or ' is a term figuring prominently in the teaching of the Buddha. The word means "that which has been put together" and "that which puts together". In the first sense, refers to conditioned phenomena generally but specifically to all mental "dispositions"...

, the Buddhist concept of "formations"