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Definition of poikilothermism in English:

poikilothermism

Pronunciation /ˌpɔɪkɪlə(ʊ)ˈθəːmɪz(ə)m/

noun

Zoology Physiology

  • Poikilothermy. Also (Medicine): = "poikilothermia".

Origin

Early 20th century; earliest use found in Journal of Physiology. From poikilotherm- + -ism.