sche·ma

[skee-muh]
noun, plural sche·ma·ta [skee-muh-tuh or, sometimes, skee-mah-tuh, ski-] , sche·mas.
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

Dictionary.com Unabridged
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Collins
World English Dictionary
schema (ˈskiːmə) [Click for IPA pronunciation guide]
 
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]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Schema is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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FOLDOC
Computing Dictionary

schema definition


1. database schema.
2. axiom schema.
3. XML schema.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
In this schema, debt-laden firms and consumers rush to repay loans as credit
  dries up.
But more often those methods amount only to ways of filling up the screen or
  parts of the screen with fleshed-out schema.
And those sentences, in turn, are nested within larger schema that-in a lesser
  writer's hands-might be called paragraphs.
The insurance schema protects the main redistributive work of the programme by
  obscuring it.
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