CALEFACIENT
calefacient, warming
(adjective) producing the sensation of heat when applied to the body; “a mustard plaster is calefacient”
Source: WordNet® 3.1
Adjective
calefacient (comparative more calefacient, superlative most calefacient)
(obsolete) having heating or warming effects
Noun
calefacient (plural calefacients)
(obsolete) A medical agent or substance which produces a feeling of warmth when applied to the body.
Source: Wiktionary
Cal`e*fa"cient, a. Etym: [L. calefaciens p. pr. of calefacere to make
warm; calere to be warm + facere to make.]
Definition: Making warm; heating. [R.]
Cal`e*fa"cient, n.
Definition: A substance that excites warmth in the parts to which it is
applied, as mustard.
Source: Webster’s Unabridged Dictionary 1913 Edition