calefacient
  (a.)增溫的,變暖的增溫物質
  cal·e·fa·cient /ˌkæləˈfeʃənt/ 形容詞
  發暖劑
  Cal·e·fa·cient a.  Making warm; heating. [R.]
  Cal·e·fa·cient, n. A substance that excites warmth in the parts to which it is applied, as mustard.
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  calefacient
       adj : producing the sensation of heat when applied to the body; "a
             mustard plaster is calefacient" [syn: warming]