oogamy

/ əʊˈɒɡəmɪ /

noun

1. sexual reproduction involving a small motile male gamete and a large much less motile female gamete: occurs in all higher animals and some plants

oogamy

/ ō-ŏg′ə-mē /

1. A system of sexual reproduction in which one gamete (called the egg) is large and nonmotile, while the other (called the sperm) is small and motile. Oogamy is a type of heterogamy.
2. Compare isogamy

Derived Forms

• oˈogamous, adjective