Calefaction
Pronunciation : Cal`e*fac"tion
Part of Speech : n.
Etymology : [L. calefactio: cf. F. cal?faction.]
Definition : 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.
Source : Webster's Unabridged Dictionary, 1913