heterothermic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

of animals except birds and mammals;
having body temperature that varies with the environment
• Syn:
poikilothermic, poikilothermous, ectothermic
• Similar to:
cold-blooded
• Derivationally related forms:
poikilotherm (for: poikilothermous), poikilotherm (for: poikilothermic)