the act or practice of segregating.
the state or condition of being segregated: the segregation of private clubs.
something segregated.
Genetics. the separation of allelic genes into different gametes during meiosis.

1545–55; < Late Latin sēgregātiōn- (stem of sēgregātiō), equivalent to sēgregāt(us) (see segregate) + -iōn- -ion

segregational, adjective
antisegregation, noun, adjective
nonsegregation, noun
resegregation, noun
unsegregational, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
segregation (ˌsɛɡrɪˈɡeɪʃən)
1.  the act of segregating or state of being segregated
2.  sociol the practice or policy of creating separate facilities within the same society for the use of a minority group
3.  genetics See also Mendel's laws the separation at meiosis of the two members of any pair of alleles into separate gametes
4.  metallurgy the process in which a component of an alloy or solid solution separates in small regions within the solid or on the solid's surface

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1550s, "act of segregating," from L.L. segregationem (nom. segregatio), noun of action from segregare (see segregate). Meaning "state of being segregated" is from 1660s. Specific U.S. sense of "enforced separation of races" is attested from 1883. Segregationist is from 1915.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

segregation seg·re·ga·tion (sěg'rĭ-gā'shən)

  1. The removal of certain parts or segments from a whole or mass.

  2. The separation of paired alleles especially during meiosis, so that the members of each pair of alleles appear in different gametes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Cultural Dictionary

segregation definition

The policy and practice of imposing the separation of races. In the United States, the policy of segregation denied African-Americans their civil rights and provided inferior facilities and services for them, most noticeably in public schools (see Brown versus Board of Education), housing, and industry. (See integration, National Association for the Advancement of Colored People, and separate but equal.)

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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