rubefactionyoudaoicibaDictYouDict[rubefaction 词源字典]
" Medicine . Reddening or redness of the skin, especially as produced by a rubefacient; the action of using a rubefacient; an instance of this. Now rare", Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From rubify: see -faction.[rubefaction etymology, rubefaction origin, 英语词源]