[ ˌhɛtə'rɒgəmi ]
■ noun
1》 chiefly Zoology 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.
3》 marriage between people from different backgrounds.
Derivatives
heterogamous adjective
Origin
C19: from hetero- + Gk gamos 'marriage'.