EXAMPLES | WORD ORIGIN adjective 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. Origin of warm-blooded
First recorded in
1785–95 Related forms warm-blood·ed·ness, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for warm-blooded Historical Examples of warm-blooded
Both feed on
warm-blooded animals, and neither will eat carrion.
The whale is a
warm-blooded animal; the fish is cold-blooded.
They seemed to have forgotten that all the
warm-blooded animals, except man, must necessarily drink cold water.
But there were a few, small, struggling,
This action is noticed in cold as well as in
warm-blooded animals. British Dictionary definitions for warm-blooded adjective ardent, impetuous, or passionate (of birds and mammals) having a constant body temperature, usually higher than the temperature of the surroundings Technical name: homoiothermic Derived Forms warm-bloodedness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
warm-blooded [wôrm ′blŭd ′ĭd] adj. Maintaining a relatively constant and warm body temperature independent of environmental temperature; homeothermic. Related forms 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.
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.