poikilothermPronunciation: /ˈpɔɪkɪlə(ʊ)ˌθəːm/Definition of poikilotherm noun Zoology an organism that cannot regulate its body temperature except by behavioural means such as basking or burrowing. Often contrasted with homeotherm.Derivatives poikilothermalPronunciation: /-ˈθəːm(ə)l/ adjective poikilothermicPronunciation: /-ˈθəːmɪk/ adjective poikilothermy noun poikilotherm in other Oxford dictionaries Definition of poikilotherm in the US English dictionary
