Poikilothermic

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Poikilothermal \Poi`ki*lo*ther"mal\ (-th[~e]r"mal),
  Poikilothermic \Poi`ki*lo*ther"mic\ (-th[~e]r"m[i^]k), a. [Gr.
     poiki`los changeable + E. thermal, thermic.] (Physiol.)
     Having a varying body temperature. See {Homoiothermal}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  poikilothermic
       adj : of animals except birds and mammals; having body temperature
             that varies with the environment [syn: {poikilothermous},
              {heterothermic}, {ectothermic}]