warm blooded


Also, endothermic. designating or pertaining to animals, as mammals and birds, whose blood ranges in temperatures from about 98° to 112°F (37° to 44°C) and remains relatively constant, irrespective of the temperature of the surrounding medium; homoiothermal.
ardent, impetuous, or passionate: young and warm-blooded valor.


warm-bloodedness, noun
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World English Dictionary
1.  ardent, impetuous, or passionate
2.  Technical name: homoiothermic (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings

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American Heritage
Medical Dictionary

warm-blooded adj.
Maintaining a relatively constant and warm body temperature independent of environmental temperature; homeothermic.

warm'-blood'ed·ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
warm-blooded   (wôrm'blŭd'ĭd)  Pronunciation Key 
Having a relatively warm body temperature that stays about the same regardless of changes in the temperature of the surroundings. Birds and mammals are warm-blooded.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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