homoiotherm

[ hoh-moi-uh-thurm ]
/ hoʊˈmɔɪ əˌθɜrm /

noun

a homoiothermal animal.

Origin of homoiotherm

First recorded in 1890–95; back formation from homoiothermal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019