Stratification
Stratification may refer to:
Mathematics
- 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)
 - 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).