|(Physiol.)||the nearly constant temperature maintained in the bodies of warm-blooded (homoiothermal) animals during life. The ultimate source of the heat is to be found in the potential energy of the food and the oxygen which is absorbed from the air during respiration. See Homoiothermal.|
See also: Temperature
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.