having a body temperature that is relatively constant and mostly independent of the temperature of the environment; warm-blooded (opposed to poikilothermal)
Also: homeothermal, homothermal
Derived forms
homoiothermyhomoiothermism
noun
Word origin
[1865–70; homoio- + thermal]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: batting average, black belt, springboard, steamroller, valence