Dictionary.net

Is a sensation of heat felt by the patient, but not sensible to the touch. External heat, (F.) Chaleur exterieure, that which can be felt by others. Heat, Ardor, is called moist, (F.) haliteuse, when accompanied with moisture, like that felt after bathing; dry, (F.) seche, when the skin has not its ordinary softness. It is called acrid and pungent, (F.) acre et mordicante, when it conveys a disagreeable tingling to the fingers. The French employ the terms nervous heat and erratic heat, Chaleur nerveuse and Chaleur erratique, for that which comes by flushes, alternating with chills, and which moves rapidly from one part to another. M. Double has used the term septic heat, (F.) Chaleur septique, for that which produces a pungent sensation on the hand, similar to that of the acrid heat, but milder and more uniform, and which is accompanied with feebleness and frequency of pulse, &c.