epilimnion

[ ep-uh-lim-nee-on, -uh n ]
/ ˌɛp əˈlɪm niˌɒn, -ən /

noun, plural ep·i·lim·ni·a [ep-uh-lim-nee-uh] /ˌɛp əˈlɪm ni ə/.

(in certain lakes) the layer of water above the thermocline.

Origin of epilimnion

1905–10; epi- + Greek límnion small pond, diminutive of límnē pool, lake

OTHER WORDS FROM epilimnion

ep·i·lim·net·ic [ep-uh-lim-net-ik] /ˌɛp ə lɪmˈnɛt ɪk/, ep·i·lim·ni·al, adjective

British Dictionary definitions for epilimnetic

epilimnion
/ (ˌɛpɪˈlɪmnɪən) /

noun

the upper layer of water in a lake

Word Origin for epilimnion

C20: from epi- + Greek limnion, diminutive of limnē lake