n.
Pronunciation: ˌ ī -byu ̇ - ' pr ō -f ə n also ī - ' byü-pr ə -f ə n
Function: noun
Etymology: i s- + bu tyl + pro pionic acid + -fen (alter. of phenyl )
Date: 1967
: a nonsteroidal anti-inflammatory drug C 13 H 18 O 2 used to relieve pain and fever