Arranged in strata or layers. Of a volume of gas (esp. the atmosphere) or of liquid (esp. a body of water): exhibiting stratification (stratification…

of or within the hypolimnion.

= hypolimnetic adj.

Of or relating to the metalimnion; situated or occurring in the metalimnion.

Limnology. Of a tropical lake: that exhibits a stable thermal stratification and only rarely undergoes an overturn.

Limnology. Of a lake: having no stable thermal stratification but exhibiting perennial circulation.

= metalimnetic, adj.