Dictionary  strat•i•fi•ca•tionPronunciation: (strat"u-fi-kā'shun), [key] —n. 1. the act or an instance of stratifying. 2. a stratified state or appearance: the stratification of ancient ruins from eight different periods. 3. Sociol.the hierarchical or vertical division of society according to rank, caste, or class: stratification of feudal society. 4. Geol. a. formation of strata; deposition or occurrence in strata. b. a stratum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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