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poikilothermism

Or Ǿ·쾱··ٳ·

[poi-kuh-loh-thur-miz-uhm, poi-kil-uh-]

noun

Zoology.
  1. the state or quality of being cold-blooded, as fishes and reptiles.



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Word History and Origins

Origin of poikilothermism1

First recorded in 1900–05; from Greek poikilos “various” + therm- ( def. ) + -ism ( def. )

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poikilothermicpoil