from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Zoology Maintaining a relatively constant and warm body temperature independent of environmental temperature; homeothermic.
- adj. Ardent; passionate.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. maintaining a relatively constant and warm body temperature, regardless of the ambient temperature
- adj. passionate
from the GNU version of the Collaborative International Dictionary of English
- adj. Having warm blood; -- applied especially to those animals, as birds and mammals, which have warm blood, or, more properly, the power of maintaining a nearly uniform temperature whatever the temperature of the surrounding air. See homoiothermal.
from The Century Dictionary and Cyclopedia
- Having warm blood: hematothermal: in zoölogy and physiology noting mammals and birds whose blood ranges in temperature from 98° to 112° F., in consequence of the complete double blood-circulation, and the oxygenation or combustion which goes on in the lungs: opposed to cold-blooded or hematocryal.
- Figuratively, characterized by high temper and generous impulses; warm-hearted; also, passionate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having warm blood (in animals whose body temperature is internally regulated)
From warm + blood + -ed. (Wiktionary)