formation

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formation

 [for-ma´shun]
1. the process of giving shape or form; the creation of an entity, or of a structure of definite shape.
2. a structure of definite shape.
chiasma formation the process by which a chiasma is formed; it is the cytologic basis of genetic recombination, or crossing over.
compromise formation in psychoanalysis a substituted idea or act representing and permitting partial expression of a repressed conflict.
concept formation the ability to organize a variety of information to form thoughts and ideas, a cognitive performance component in occupational therapy.
reaction formation a defense mechanism in which a person adopts conscious attitudes, interests, or feelings that are the opposites of unconscious feelings, impulses, or wishes. For example, a person may use revulsion or repugnance to defend against an unconscious desire or attraction.

for·ma·tion

(fōr-mā'shŭn), [TA]
1. A formation; a structure of definite shape or cellular arrangement.
2. That which is formed.
3. The act of giving form and shape.
Synonym(s): formatio (1) [TA]

for·ma·tion

(fōr-mā'shŭn)
1. Shape, configuration, arrangement; the way in which anything is formed.
2. That which is so formed.
3. The act of giving form and shape.
Synonym(s): formatio (1) [TA] .

formation

any of the main natural vegetation types extending over a large area that is created by the nature of the climate. Examples include tundra, steppe, rainforest and coniferous forest.

for·ma·tion

(fōr-mā'shŭn)
1. A structure of definite shape or cellular arrangement.
2. That which is formed.
3. The act of giving form and shape.