from
The Collaborative International Dictionary of English v.0.48
Homoiothermal \Ho*moi`o*ther"mal\, Homoiothermic
\Ho*moi`o*therm"ic\, a. [Gr. ? like + E. thermal.] (Physiol.)
Maintaining a uniform body temperature, usually above the
ambient temperature; h[ae]matothermal; homothermic;
warm-blooded; -- applied to warm-bodied animals such as birds
and mammals, because they maintain a nearly uniform
temperature in spite of the great variations in the
surrounding air; in distinct from the {cold-blooded}
({poikilothermal}) animals, whose body temperature follows
the variations in temperature of the surrounding medium.
Syn: homeothermal, homeothermic, homothermal, homothermic,
homoiothermic.
[1913 Webster] homoiothermism