homeothermAn organism, such as a mammal or bird, which is able to maintain its body temperature within a narrow range, usually above that of its surroundings, despite large variations in environmental temperature. Homeothermy, or warm-bloodedness, may be maintained continually or for limited periods only. Compare with poikilotherm. Related category• ZOOLOGYAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |