Definition of mixis in English:

mixis

Pronunciation /ˈmɪksɪs/

noun

Biology
  • The fusion of gametes; sexual reproduction involving the fusion of gametes.

Origin

1940s; earliest use found in Hereditas. From German Mixis from ancient Greek μίξις mixing, (sexual) intercourse (from the base of μιγνύναι to mix + -σις), after German Apomixis.