stratification

stratification
The process or result of separating a sample into subsamples according to specified criteria such as age or occupational groups. [L. stratum, layer, + facio, to make]

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strat·i·fi·ca·tion .strat-ə-fə-'kā-shən n arrangement or formation in layers or strata <\stratification of epithelial cells>

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strat·i·fi·ca·tion (strat″ĭ-fĭ-kaґshən) [L. stratum layer + facere to make] 1. disposal in layers. 2. in statistical analysis, separation of a sample into subsamples on the basis of specified criteria, in order to control for the effects of confounding variables.

Medical dictionary. 2011.

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  • stratification — [ stratifikasjɔ̃ ] n. f. • 1620 chim.; lat. des alchim. stratificatio, onis 1 ♦ Géol. Disposition des matériaux par strates (dans les terrains sédimentaires); processus géologique par lequel les matériaux se sont ainsi disposés. Stratification… …   Encyclopédie Universelle

  • Stratification — is the building up of layers, and can have several meanings *Social stratification, is the dividing of a society into levels based on wealth or power. *Stratification in archaeology is the formation of layers (strata) in which objects are found.… …   Wikipedia

  • Stratification — Strat i*fi*ca tion, n. [Cf. F. stratification.] 1. The act or process of laying in strata, or the state of being laid in the form of strata, or layers. [1913 Webster] 2. (Physiol.) The deposition of material in successive layers in the growth of… …   The Collaborative International Dictionary of English

  • Stratification — (v. lat.), Schichtung, Aufschichtung …   Pierer's Universal-Lexikon

  • stratification — index order (arrangement) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • stratification — (n.) 1610s, from Mod.L. stratificationem (nom. stratificatio), noun of action from pp. stem of stratificare to form strata, from stratum thing spread out + root of facere to make (see FACTITIOUS (Cf. factitious)) …   Etymology dictionary

  • stratification — [strat΄ə fi kā′shən] n. 1. the process of stratifying or the state of being stratified 2. a stratified arrangement or appearance 3. Geol. a structure characterized by a succession of tabular layers, beds, strata, etc. stratificational adj …   English World dictionary

  • stratification — /strat euh fi kay sheuhn/, n. 1. the act or an instance of stratifying. 2. a stratified state or appearance: the stratification of ancient ruins from eight different periods. 3. Sociol. the hierarchical or vertical division of society according… …   Universalium

  • stratification — The term stratification in sociology is usually applied to studies of structured social inequality ; that is, studies of any systematic inequalities between groups of people, which arise as the unintended consequence of social processes and… …   Dictionary of sociology

  • Stratification — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. En botanique, la stratification est l opération qui consiste à lever la dormance. En géologie, la stratigraphie étudie la disposition des roches en… …   Wikipédia en Français

  • stratification —    by Kylie Message   Deleuze and Guattari explain stratification is an ongoing, rhizomatic process that contributes to the line of emergence or becoming. This process may (or may not) lead to our rejection of a unifying subjectivity and embrace… …   The Deleuze dictionary

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