noun (plural hypolimnia) see: limnetic Date: 1910 the part of a lake below the thermocline made up of water that is stagnant and of essentially uniform temperature except during the period of overturn
HYPOLIMNION
Meaning of HYPOLIMNION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012