Definition of gamogenesis in US English:

gamogenesis

noun

Biology
  • Sexual reproduction; the fusion of gametes involved in sexual reproduction; an instance of this.

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From gamo- + -genesis.

Pronunciation

gamogenesis

/ˌɡaməˈdʒɛnɪsɪs/