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exogamy

[ek-sog-uh-mee]
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noun
  1. marriage outside a specific tribe or similar social unit.Compare endogamy.
  2. Biology. the union of gametes of unrelated parents.
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Origin of exogamy

First recorded in 1860–65; exo- + -gamy
Related formsex·og·a·mous [ek-sog-uh-muh s] /ɛkˈsɒg ə məs/, ex·o·gam·ic [ek-suh-gam-ik] /ˌɛk səˈgæm ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples


British Dictionary definitions for exogamous

exogamy

noun
  1. sociol anthropol the custom or an act of marrying a person belonging to another tribe, clan, or similar social unitCompare endogamy
  2. biology fusion of gametes from parents that are not closely related
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Derived Formsexogamous (ɛkˈsɒɡəməs) or exogamic (ˌɛksəʊˈɡæmɪk), 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

Word Origin and History for exogamous

exogamy

n.

1865, Modern Latin, literally "outside marriage," from exo- + -gamy. Related: Exogamous.

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Online Etymology Dictionary, © 2010 Douglas Harper

exogamous in Medicine

exogamy

(ĕk-sŏgə-mē)
n.
  1. Sexual reproduction by means of conjugation of two gametes of different ancestry, as in certain protozoan species.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.