for·ma·tion 
(fôr-māshən)
(fôr-māshən)n.
1. The act or process of forming something or of taking form.
2. Something formed: beautiful cloud formations.
3. The manner or style in which something is formed; structure: the distinctive formation of the human eye.
4. A specified arrangement or deployment, as of aircraft, troops, or players on a sports team.
5. Geology A primary unit in the mapping of rock strata, consisting of a set of contemporaneous rocks having the same characteristics and origin.
for·mation·al adj.
- antifederalism
- antifederalist
- antifeminism
- antifeminist
- antifertility
- antiflatulent
- antifouling
- antifreeze
- antifungal
- antigen
- antigene
- antigenic
- antigenically
- antigenicity
- Antigone
- antigravity
- Antigua and Barbuda
- Antiguan
- antihelium
- antihemophilic factor
- antihero
- antiheroic
- antiheroine
- antiheroism
- antihistamine