ectotherm

[ ek-tuh-thurm ]
/ ˈɛk təˌθɜrm /

noun Zoology.

a cold-blooded animal.

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Origin of ectotherm

First recorded in 1940–45; ecto- + therm

OTHER WORDS FROM ectotherm

ec·to·ther·mic, adjective

Words nearby ectotherm

ectoprocta, ectopy, ectosarc, ectosteal, ectostosis, ectotherm, ectothermic, ectothrix, ectotrophic, ectotrophic mycorrhiza, ectozoan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for ectothermic (1 of 2)

ectothermic
[ ĕk′tə-thûr′mĭk ]

adj.

Of or relating to an organism that regulates its body temperature largely by exchanging heat with its surrounding environment.

Medical definitions for ectothermic (2 of 2)

ectotherm
[ ĕk′tə-thûrm′ ]

n.

An organism that regulates its body temperature largely by exchanging heat with its surroundings; a poikilotherm.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for ectothermic

ectotherm
[ ĕk′tə-thûrm′ ]

A cold-blooded organism. Also called poikilotherm
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.