Definition of allotetraploidy in English:

allotetraploidy

noun

Biology
  • The state or condition of being allotetraploid; the act or process of a hybrid becoming a new species by becoming an allotetraploid.

Origin

1930s; earliest use found in Proceedings Linnean Society. From allo- + tetraploidy, after allotetraploid.

Pronunciation

allotetraploidy

/ˌaləʊˈtɛtrəplɔɪdi//ˌaləˈtɛtrəplɔɪdi/