Search Result for "poikilothermous": 
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:

Poikilothermous \Poi`ki*lo*ther"mous\ (-m[u^]s), a. (Physiol.)
   Poikilothermal.
   [1913 Webster]


WordNet (r) 3.0 (2006):

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