What is "isobutylphenyl propionic acid"

n. (context pharmaceutical drug English) A substance used as an anti-inflammatory painkiller, often shortened to ibuprofen.

n. a nonsteroidal anti-inflammatory medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an analgesic and antipyretic [syn: ibuprofen, Advil, Motrin, Nuprin]