Search Result for "poikilothermic": 
Wordnet 3.0

ADJECTIVE (1)

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



The Collaborative International Dictionary of English v.0.48:

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]


WordNet (r) 3.0 (2006):

poikilothermic
    adj 1: of animals except birds and mammals; having body
           temperature that varies with the environment [syn:
           poikilothermic, poikilothermous, heterothermic,
           ectothermic]