hypolimnion noun.
[hʌɪpǝ(ʊ)'lɪmnɪǝn] Pl. -nia
[-nɪǝ].
E20.[from HYPO- + Greek limnion dim. of limnē lake.]The lower, cooler layer of water below the thermocline in a stratified lake.
■ hypolim'netic adjective E20. ■ hypolimnial adjective M20. [TahlilGaran] English Dictionary ▲