stratification (Noun) — The act or process or arranging persons into classes or social strata.
stratification (Noun) — The condition of being arranged in social strata or classes within a group.
stratification (Noun) — Forming or depositing in layers.
stratification (Noun) — A layered configuration.
stratification (Noun) — The placing of seeds in damp sand or sawdust or peat moss in order to preserve them or promote germination.