noun

• 1Marriage between people from different sociological or educational backgrounds.

  Compare with homogamy (sense 2)

  ‘An examination of the relative social positions of spouses shows that heterogamy, the marriage of people from different social backgrounds, was not characteristic after World War II either.’

  More example sentences

  • ‘However, it definitely does not support the hypothesis of decreasing barriers to inter-class heterogamy over time.’
  • ‘The three barriers to heterogamy are described by inheritance, sectoral, and hierarchy parameters.’
• 2Zoology
  The alternation of generations, especially between sexual and parthenogenetic generations.

• 3Botany
  A state in which the flowers of a plant are of two or more types.

  Compare with homogamy (sense 3)

  1. 3.1
     another term for anisogamy