A new formation (a subsequent coming together of the elements of a former grouping)

Alternative spelling of back-formation.

(uncountable, linguistics) The process by which a new word is formed from an older word by interpreting the former as a derivative of the latter, often by removing a morpheme (real or perceived) from the older word, such as the verb burgle, formed by removing -ar (perceived as an agent-noun suffix) from burglar.

(biology) The mechanism in developing tissue by which originally similar cells acquire diverse forms and functions by coordinated cell fate control.

A natural layer of water inside oil and gas reservoirs.

(linguistics) the formation of new words by the processes of derivation and composition

Alternative form of word formation

(linguistics) of or pertaining to word formation; morphological

parade lap

(American football) A common offensive formation, beginning with the usual five offensive linemen (two offensive tackles, two guards, and a center), the quarterback under center, and two backs in-line behind the quarterback. The base variant adds a tight end to one side of the line and two wide receivers, one at each end of the line.