ALL meanings of hypolimnion
hy·po·lim·ni·on
H h - noun hypolimnion The lower layer of water in a stratified lake, typically cooler than the water above and relatively stagnant. 1
- noun plural hypolimnion (in certain lakes) the layer of water below the thermocline. 1
- noun hypolimnion the lower and colder layer of water in a lake 0
- noun hypolimnion an unfrozen lake's cold, lowermost, stagnant layer of oxygen-poor water that is below the thermocline 0