noun see: paint Date: 1920 an organism (as a frog) with a variable body temperature that tends to fluctuate with and is similar to or slightly higher than the temperature of its environment ; a cold-blooded organism, ~ic adjective
POIKILOTHERM
Meaning of POIKILOTHERM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012