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[strat-uh-fi-key-shuh n] /ˌstræt ə fɪˈkeɪ ʃən/
the act or an instance of stratifying.
a stratified state or appearance:
the stratification of ancient ruins from eight different periods.
Also called social stratification. Sociology. the hierarchical or vertical division of society according to rank, caste, or class:
stratification of feudal society.
  1. formation of strata; deposition or occurrence in strata.
  2. a stratum.
Origin of stratification
First recorded in 1610-20, stratification is from the Medieval Latin word strātificātiōn- (stem of strātificātiō). See strati-, -fication Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for stratification


the arrangement of sedimentary rocks in distinct layers (strata), each layer representing the sediment deposited over a specific period
the act of stratifying or state of being stratified
(sociol) See social stratification
Derived Forms
stratificational, adjective
Word Origin
C17 (in the obsolete sense: the act of depositing in layers) and C18 (in the current senses): from New Latin strātificātiōnem, from stratificāre to stratify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for stratification

1610s, from Modern Latin stratificationem (nominative stratificatio), noun of action from past participle stem of stratificare "to form strata," from stratum "thing spread out" + root of facere "to make" (see factitious).

Online Etymology Dictionary, © 2010 Douglas Harper
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stratification in Medicine

stratification strat·i·fi·ca·tion (strāt'ə-fĭ-kā'shən)
An arrangement in layers or strata.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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stratification in Science
Formation or deposition of layers, as of rock, sediments, or atmospheric regions.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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stratification in Culture

stratification definition

The process by which materials form or are deposited in layers, as in sedimentary rocks and some igneous rocks.

Note: The atmosphere and the ocean also exhibit stratification, with the warmer air or water occupying the upper layers.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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