|1.||the act of giving or taking form, shape, or existence|
|2.||something that is formed|
|3.||the manner in which something is formed or arranged|
|4.||a. a formal arrangement of a number of persons or things acting as a unit, such as a troop of soldiers, aircraft in flight, or a football team|
|b. (as modifier): formation dancing|
|a. the fundamental lithostratigraphic unit|
|b. a series of rocks with certain characteristics in common|
|6.||ecology a community of plants, such as a tropical rainforest, extending over a very large area|
formation for·ma·tion (fôr-mā'shən)
The act or process of forming something or of taking form.
|formation (fôr-mā'shən) Pronunciation Key
A long, mappable body of rock that is recognizable by its physical characteristics and by its location within the rock record.