schema

[skee-muh]
noun, plural schemata [skee-muh-tuh or, sometimes, skee-mah-tuh, ski-] , schemas.
1.
a diagram, plan, or scheme. outline, framework, model.
2.
an underlying organizational pattern or structure; conceptual framework: A schema provides the basis by which someone relates to the events he or she experiences.
3.
(in Kantian epistemology) a concept, similar to a universal but limited to phenomenal knowledge, by which an object of knowledge or an idea of pure reason may be apprehended.

Origin:
1790–1800; < Greek schêma form

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World English Dictionary
schema (ˈskiːmə)
 
n , pl -mata
1.  a plan, diagram, or scheme
2.  (in the philosophy of Kant) a rule or principle that enables the understanding to apply its categories and unify experience: universal succession is the schema of causality
3.  psychol a mental model of aspects of the world or of the self that is structured in such a way as to facilitate the processes of cognition and perception
4.  logic an expression using metavariables that may be replaced by object language expressions to yield a well-formed formula. Thus A = A is an axiom schema for identity, representing the infinite number of axioms, x = x, y = y, z = z, etc
 
[C19: from Greek: form]

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American Heritage
Medical Dictionary

schema sche·ma (skē'mə)
n. pl. sche·mas or sche·ma·ta (skē-mä'tə, skĭ-māt'ə)

  1. A diagrammatic representation; an outline or a model.

  2. A pattern imposed on complex reality or experience to assist in explaining it, mediate perception, or guide response.

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Example sentences
The knowledge that is organized and stored in the reader's mind is called schemata.
Later, these schemata may provide the plan for the recovery of detailed information.
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