fix·a·tion (fĭk-sāˈshən)

1. The condition of being stabilized, firmly attached, or set.
2. The act or process of stabilizing or attaching something, especially a body part by surgery.
3. The rapid killing and preservation of tissue elements to retain as nearly as possible the same characteristics they had in the living body.
4. The conversion of a gas into solid or liquid form by chemical reactions.
5. In psychoanalytic theory, a strong emotional attachment to a person or thing, especially an attachment formed in childhood or infancy and manifested in disturbed behavior that persists throughout life.
6. The coordinated positioning and focusing of both eyes on an object.