rubefacient
1 of 2adjective
ru·be·fa·cient ˌrü-bə-ˈfā-shənt 
: causing redness (as of the skin)
rubefacient
2 of 2noun
: a substance for external application that produces redness of the skin
Word History
Etymology
Adjective
Latin rubefacient-, rubefaciens, present participle of rubefacere to make red, from rubeus reddish + facere to make — more at ruby, do
First Known Use
Adjective
1659, in the meaning defined above
Noun
1777, in the meaning defined above
Medical Definition
rubefacient 1 of 2
adjective
ru·be·fa·cient ˌrü-bə-ˈfā-shənt
: causing redness of the skin
a rubefacient cream
rubefacient
2 of 2noun
: a substance (as capsaicin) for external application that produces redness of the skin