poikilotherm
Concise Oxford English Dictionary © 2008 Oxford University Press:
poikilotherm /ˈpɔɪkɪlə(ʊ)ˌθəːm/
▶noun Zoology an organism that cannot regulate its body temperature except by behavioural means such as basking or burrowing. Often contrasted with homeotherm.
– derivatives
poikilothermal adjective,
poikilothermic adjective,
poikilothermy noun.
poikilothermal adjective,
poikilothermic adjective,
poikilothermy noun.
'poikilotherm' also found in these Oxford entries:
