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[seg-ri-gey-shuh n] /ˌsɛg rɪˈgeɪ ʃən/
the act or practice of segregating; a setting apart or separation of people or things from others or from the main body or group:
gender segregation in some fundamentalist religions.
the institutional separation of an ethnic, racial, religious, or other minority group from the dominant majority.
the state or condition of being segregated, set apart, separated, or restricted to one group: Segregation on buses meant that the seats at the front were reserved for white passengers.
the segregation of private clubs.
something segregated, or set apart.
Genetics. the separation of allelic genes into different gametes during meiosis.
Origin of segregation
1545-55; < Late Latin sēgregātiōn- (stem of sēgregātiō), equivalent to sēgregāt(us) (see segregate) + -iōn- -ion
Related forms
segregational, adjective
antisegregation, noun, adjective
nonsegregation, noun
resegregation, noun
unsegregational, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for segregation
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British Dictionary definitions for segregation


the act of segregating or state of being segregated
(sociol) the practice or policy of creating separate facilities within the same society for the use of a minority group
(genetics) the separation at meiosis of the two members of any pair of alleles into separate gametes See also Mendel's laws
(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
Derived Forms
segregational, adjective
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 segregation

1550s, "act of segregating," from Late Latin segregationem (nominative segregatio), noun of action from past participle stem of segregare (see segregate). Meaning "state of being segregated" is from 1660s. Specific U.S. sense of "enforced separation of races" is attested from 1883.

Rarely are we met with a challenge, not to our growth or abundance, or our welfare or our security, but rather to the values and the purposes and the meaning of our beloved nation. The issue of equal rights for American Negroes is such an issue. And should we defeat every enemy, and should we double our wealth and conquer the stars, and still be unequal to this issue, then we will have failed as a people and as a nation. [Lyndon Johnson, speech introducing Voting Rights Act, March 15, 1965]

Online Etymology Dictionary, © 2010 Douglas Harper
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segregation in Medicine

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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segregation in Culture

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 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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