coun|ter|ir|ri|tant «KOWN tuhr IHR uh tuhnt», noun.
1. a medical application or agent used to produce irritation of the surface of the body, in order to counteract inflammation, irritation, or pain of deeper parts.
2. anything that serves a similar purpose: »
Figurative. She afforded him no counterirritant (George Eliot).
Useful english dictionary. 2012.