WordNet (r) 3.0 (2006):

isobutylphenyl propionic acid
    n 1: a nonsteroidal anti-inflammatory and analgesic medicine
         (trade names Advil and Motrin and Nuprin) used to relieve
         the pain of arthritis and as an antipyretic; "daily use of
         ibuprofen can irritate the stomach" [syn: ibuprofen,
         isobutylphenyl propionic acid, Advil, Motrin,
         Nuprin]