Stratification

n.	1.	The act or process of laying in strata, or the state of being laid in the form of strata, or layers.
	2.	(Physiol.) The deposition of material in successive layers in the growth of a cell wall, thus giving rise to a stratified appearance.

Noun	1.	stratification - the act or process or arranging persons into classes or social strata
	2.	stratification - the condition of being arranged in social strata or classes within a group Synonyms: social stratification
	3.	stratification - forming or depositing in layers
	4.	stratification - a layered configuration
	5.	stratification - the placing of seeds in damp sand or sawdust or peat moss in ordere to preserve them or promote germination

analysis, arrangement, cataloging, categorization, classification, codification, delamination, desquamation, division, exfoliation, filing, flakiness, foliation, furfuration, grading, grouping, indexing, lamellation, lamination, pigeonholing, placement, ranging, ranking, rating, scaliness, sorting, subdivision, tabulation, taxonomy, typology