The ordinary heat of blood in the healthy human body, commonly marked in thermometers at 98.6° Fahr., though really rising in the interior of the body to 100°. Also fig.
1812. L. Hunt, in Examiner, 25 May, 322/2. It has a knack … of being at blood-heat.
1849. Todd, Cycl. Anat. & Phys., IV. 115/1. Fibrin … subjected to a blood-heat, begins to change into matter, such as that now described.
attrib. 1868. Lessons Mid. Age, 48. The opinions we held so feverishly … in the blood-heat season of youth.
