ru·be·fa·cient (rōō'bə-fā'shənt) adj. Producing redness, as of the skin. n. A substance that irritates the skin, causing redness.
[Latin rubefaciēns, rubefacient-, present participle of rubefacere, to make red : rubeus, red; see reudh- in Indo-European roots + facere, to make; see dhē- in Indo-European roots.] ru'be·fac'tion (-fāk'shən) n.