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ho·me·o·therm(hō′mē-ə-thûrm′) also ho·moi·o·therm (hō-moi′ə-)
An organism, such as a mammal or bird, having a body temperature that is constant and largely independent of the temperature of its surroundings.
ho′me·o·ther′mi·a (-thûr′mē-ə), ho′me·o·ther′my (-thûr′mē) n.
ho′me·o·ther′mic (-mĭk) adj.
(Zoology) zoology having an almost constant body temperature. Also: homeothermal, homoeothermal or homoiothermal