epilimnion: Meaning and Definition of

ep•i•lim•ni•on

Pronunciation: (ep"u-lim'nē-on", -un), [key]
— pl. -ni•a
  1. (in certain lakes) the layer of water above the thermocline.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.