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poikilotherm

American

[poi-ki-luh-therm, poi-kuh-loh-] / pɔɪˈkɪ ləˌθərm, ˈpɔɪ kə loʊ- /

noun

Zoology. an animal whose internal body temperature is subject to dramatic variations based on its environment.

poikilotherm Scientific

/ poi-kĭl′ə-thûrm′ /

See ectotherm

Other Word Forms

Inflected Forms

noun

poikilotherms

plural

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.