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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.
1610-20; < Medieval Latin strātificātiōn- (stem of strātificātiō). See strati-, -fication Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for stratification
  • Prevailing social stratification conditions consciousness.
  • The remedy was a proper stratification of society through a strong-armed government.
  • And throughout history this stratification into castes continues.
  • As in many developing countries, dress styles indicate social stratification.
  • Most lakes go through a process called thermal stratification.
  • Instead of wearing thin they wear thick, and in their stratification have no small geological significance.
  • None of this is to deny the existence of social stratification and elite structures here.
  • If you look, you will find that there is a large stratification of wealth in this country.
  • One of the points in the paper is that there is both geographic and caste stratification.
  • Yes, stratification is necessary to reward citizens who study and work harder than others.
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 American Heritage® 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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