exogamy

Noun

exogamy (countable and uncountable, plural exogamies)

1. Marriage to or mating with a person belonging to a tribe or group other than one's own, especially as required by custom or law.
   • The daughters of Danaüs thus apparently stand for mother-right, which usually occurs in conjunction with exogamy, marriage outside the family or clan.1924, Herbert Weir Smyth, “VIII. Orestea. III: Eumenides”, in Aeschylean Tragedy, page 226
   • If the ‘gotra’ of the bridegroom's mother's father was Jatukarnya, as it well could be, then the situation becomes much more easy for the groom. For then he has to avoid only the seven surnames that come under the Jatukarnya ‘gotra’ in addition to the 265 surnames to be avoided under the general...1932, G. S. Ghurye, “Caste, Sub-caste and Kin”, in Caste and Race in India, New Delhi: Popular Prakashan, →ISBN, page 133

   Synonyms:

   extramarriage, heterogamy, intermarriage, mixed marriage, outmarriage

   Antonyms:

   endogamy, extramarriage, heterogamy, intermarriage, mixed marriage, outmarriage

2. The fusion of two unrelated gametes.

   Antonyms:

   endogamy