Stratification

Stratification

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.
*Stratification of rock layers (strata) is part of the geologic field of Stratigraphy.
*Stratification (botany), where seeds are pretreated to simulate winter conditions so that germination may occur.
*See stratified sampling for the use of "stratification" in survey sampling. The term "stratified sampling" also refers a method of variance reduction in Monte Carlo methods.
*In logic, stratification is a layering of predicate symbols to guarantee unique interpretations and to avoid paradoxical definitions like Russell's paradox.
*In mathematics, Stratification has a separate meaning as applied to manifolds, and singularity theory, of a decomposition into pieces with specified relationships on fitting together.
*In music stratification is a layering of musical texture or the independent operating of more than one parameter simultaneously (see auditory stream).
*In meteorology, atmospheric stratification is the division of the atmosphere into distinct layers, each with specific properties such as temperature or humidity.
* In histology, "stratified" epithelium refers to epithelium that consists of two or more layers of epithelial cells, in contrast to "simple" epithelium, which only has one layer.
* Genetic stratification
*Stratification (water) can occur due to gradients in salinity or temperature, e.g. lake stratification.
*Stratification of air — unmixed air within a confined space that is separated into thermal layers due to temperature variations.
*A way an internal combustion operates, when direct injection is used to burn fuel just at the sparkplug and keep in the rest of the cylinder plain air. This reduces fuel consumption significantly.

See also

* Destratification
* Partition


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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 — 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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