nt]
| 1. | causing redness of the skin, as a medicinal application. |
| 2. | Medicine/Medical. a rubefacient application, as a mustard plaster. |

rubefacient ru·be·fa·cient (r&oomacr;'bə-fā'shənt)
adj.
Producing redness, as of the skin. n.
A substance that irritates the skin, causing redness.