/fen'l byooh"teuh zohn', feen'-/ , n. Pharm.
a potent substance, C 19 H 20 N 2 O 2 , used to reduce pain and inflammation in rheumatic diseases and gout, and used in veterinary medicine for musculoskeletal disorders.
[ 1950-55; PHENYL + BUT(YRIC) + ( pyr ) az ( olidinedi ) one, a component of its chemical name; see AZO-, -ONE ]