Learn how to say Heterogamy correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word heterogamy:
1chiefly Zoology the alternation of generations, especially between sexual and parthenogenetic generations.
2 Botany a state in which the flowers of a plant are of two or more types. Compare with homogamy (sense 2).
another term for anisogamy.
3marriage between people from different sociological or educational backgrounds. Compare with homogamy (sense 1).