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Webster's 1913 Dictionary

HETEROGAMY

Het `er *og "a *my, n. Etym: [See Heterogamous. ]

 

1. (Bot. )

 

Defn: The process of fertilization in plants by an indirect or circuitous method; -- opposed to orthogamy.

 

2. (Biol.)

 

Defn: That form of alternate generation in which two kinds of sexual generation, or a sexual and a parthenogenetic generation, alternate; -- in distinction from metagenesis, where sexual and asexual generations alternate. Claus & Sedgwick.

 

New American Oxford Dictionary

heterogamy

het er og a my |ˌhetəˈrägəmē ˌhɛdəˈrɑɡəmi | ▶noun 1 chiefly Zoology the alternation of generations, esp. 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. 3 marriage between people from different sociological or educational backgrounds. Compare with homogamy ( sense 1 ). DERIVATIVES het er og a mous |-ˈrägəməs |adjective

 

Oxford Dictionary

heterogamy

heterogamy |ˌhɛtəˈrɒgəmi | ▶noun [ mass noun ] 1 chiefly 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. 3 marriage between people from different sociological or educational backgrounds. Compare with homogamy ( sense 1 ). DERIVATIVES heterogamous adjective