- (n.) The act of giving form or shape to anything; a forming; a shaping.
- (n.) The manner in which a thing is formed; structure; construction; conformation; form; as, the peculiar formation of the heart.
- (n.) The arrangement of a body of troops, as in a square, column, etc.
- (n.) A substance formed or deposited.
- (n.) Mineral deposits and rock masses designated with reference to their origin; as, the siliceous formation about geysers; alluvial formations; marine formations.
- (n.) A group of beds of the same age or period; as, the Eocene formation.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). formation. Retrieved September 21, 2026, from http://smartdefine.org/formation/definitions/2009641 |
| Chicago | Webster's. 2011. "formation" http://smartdefine.org/formation/definitions/2009641 (accessed September 21, 2026). |
| Harvard | Webster's 2011, formation, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/formation/definitions/2009641>. |
| MLA | Webster's. "formation" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/formation/definitions/2009641> |