exogamy

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exogamy

(ĕksŏg`əmē): see marriagemarriage,
socially sanctioned union that reproduces the family. In all societies the choice of partners is generally guided by rules of exogamy (the obligation to marry outside a group); some societies also have rules of endogamy (the obligation to marry within a group).
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exogamy

a rule prescribing marriage outside a given social group. The group may belong to a LINEAGE, CASTE, CLASS, ethnic affiliation or other social classification. Structural anthropologists have seen this practice as an exchange of women between groups which contributes to social stability. It may, therefore, be enforced by the use of INCEST TABOOs. The converse of exogamy is ENDOGAMY.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Exogamy

 

the practice of marrying only outside one’s own group, as prescribed by law or custom in the age of the primitive communal system. The ban could apply to marriages within one’s family group (such as the clan or phratry) or, more rarely, to marriages within one’s regional group or community. The prohibition against such marriages was retained in later times.

There are numerous theories concerning the origin of exogamy; the theories basically fall into three groups. Some researchers, including L. H. Morgan, believe the practice arose from the need to avoid the possibly harmful consequences of marriages between blood relatives. Others, including E. Tylor, A. M. Zolota-rev, and C. Levi-Strauss, regard it as an attempt to expand social contacts and initiate relations with other groups. Still others, including S. P. Tolstov and Iu. I. Semenov, regard it as a means of establishing social peace within a group, since sexual relations and the conflicts that accompany them are thus carried beyond the confines of the group.

REFERENCES

Engels, F. Proiskhozhdenie sem’i, chastnoi sobstvennosti i gosudarstva. In K. Marx and F. Engels, Soch., 2nd ed, vol. 21.
Semenov, Iu. I. Proiskhozhdenie braka i sem’i. Moscow, 1974.
Pervobytnoe obshchestvo: Osnovnye problemy razvitiia. Moscow, 1975.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

exogamy

[ek′säg·ə·mē]
(genetics)
Union of gametes from organisms that are not closely related. Also known as outbreeding.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In regard to other exogamic relationships, treachery is, of course, not praised.
Apart from the northern and eastern Border Mountains and parts of CNG, there are mostly qualitative observations concerning the constitution and boundaries of exogamic units, the preferred exchange modes, the extent of marriage taboos, and information as to how rigorously the existing marriage rules were followed (Fyfe 2009:118-26).
Thanks to a very strictly exogamic clan system pervading the whole ethnic group and reflected in the kinship terminology, other (H)mong can only be "clan brothers and (true or classificatory) brothers-in-law".
The progressive and atavistic possibilities of human development are here embodied as the two exogamic female objects of Ab's affections: the slender, graceful Lightfoot and the heavyset Moonface, a 'female Esau'.
Anticipating Frances Harper's future work, for example, Collins's depiction of Claire's denial of Sayvord's exogamic offer would provide the heroine an opportunity to affirm her racial identification.
* "Bartering technology for local resources in exogamic Sino-foreign joint ventures."
These results suggest that current and past exogamic unions are more sustained for French-Canadians living outside of Quebec than for those still living within the province.