
n.
An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm.
[Greek poikilos, spotted, various + -THERM.]
poikilothermia poi'ki·lo·ther'mi·a (-thûr'mē-ə) n.poikilothermic poi'ki·lo·ther'mic (-mĭk) adj.




