Definition of mixolimnion in US English:

mixolimnion

noun

  • The freely circulating upper layer of a meromictic lake.

Origin

1930s; earliest use found in George Hutchinson (b. 1903). From mixo- + -limnion, after epilimnion and hypolimnion. Compare slightly earlier metalimnion.

Pronunciation

mixolimnion

/ˌmɪksə(ʊ)ˈlɪmnɪən/