Meaning & Definition of Formation in English

1. An arrangement of people or things acting as a unit

• "A defensive formation"

• "A formation of planes"

2. The act of fabricating something in a particular shape

3. The act of forming or establishing something

• "The constitution of a pta group last year"

• "It was the establishment of his reputation"

• "He still remembers the organization of the club"

4. (geology) the geological features of the earth

5. A particular spatial arrangement

6. Natural process that causes something to form

• "The formation of gas in the intestine"

• "The formation of crystals"

• "The formation of pseudopods"

7. Creation by mental activity

• "The formation of sentences"

• "The formation of memories"