ectotherm

[ ek-tuh-thurm ]
/ ˈɛk təˌθɜrm /

noun Zoology.

a cold-blooded animal.

Origin of ectotherm

First recorded in 1940–45; ecto- + therm

OTHER WORDS FROM ectotherm

ec·to·ther·mic, adjective

Medical definitions for ectotherm

ectotherm
[ ĕktə-thûrm′ ]

n.

An organism that regulates its body temperature largely by exchanging heat with its surroundings; a poikilotherm.

Scientific definitions for ectotherm

ectotherm
[ ĕktə-thûrm′ ]

A cold-blooded organism. Also called poikilotherm