stratification (n.)

  1. the act or process or arranging persons into classes or social strata

  2. the condition of being arranged in social strata or classes within a group

    [ Syn: social stratification ]

  3. forming or depositing in layers

  4. a layered configuration

  5. the placing of seeds in damp sand or sawdust or peat moss in order to preserve them or promote germination

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.