Stratification

• Stratification (mathematics), any consistent assignment of numbers to predicate symbols • Data stratification in statistics ==Earth sciences==

• Stable and unstable stratification • Stratification, or stratum, the layering of rocks • Stratification (archeology), the formation of layers (strata) in which objects are found • Stratification (water), the formation of water layers based on temperature (and salinity, in oceans) • Ocean stratification • Lake stratification • Atmospheric stratification, the dividing of the Earth's atmosphere into strata • Inversion (meteorology) ==Social sciences==

• Social stratification, the dividing of a society into levels based on power or socioeconomic status ==Biology==

• Stratification (seeds), where seeds are treated to simulate winter conditions so that germination may occur • Stratification (clinical trials), partitioning of subjects by a factors other than the intervention • Stratification (vegetation), the vertical layering of vegetation e.g. within a forest • Population stratification, the stratification of a genetic population based on allele frequencies == Linguistics ==

• Stratification (linguistics), the idea that language is organized in hierarchically ordered strata (such as phonology, morphology, syntax, and semantics). == See also ==