Defn: A substance that excites warmth in the parts to which it is applied, as mustard.
CALEFACTION
Cal`e*fac"tion, n. Etym: [L. calefactio: cf. F. caléfaction.]
1. The act of warming or heating; the production of heat in a body by the action of fire, or by communication of heat from other bodies.
2. The state of being heated.
CALEFACTIVE
Cal`e*fac"tive, a.
Defn: See Calefactory. [R.]
CALEFACTOR
Cal`e*fac"tor, n.
Defn: A heater; one who, or that which, makes hot, as a stove, etc.
CALEFACTORY
Cal`e*fac"to*ry, a. Etym: [L. calefactorius.]
Defn: Making hot; producing or communicating heat.