Het′er‐og″a‐my (?), n. [See Heterogamous.]
1. (Bot.) The process of fertilization in plants by an indirect or circuitous method; — opposed to orthogamy.
2. (Biol.) 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.