[¦par·ə ¦as·ə·təl¦am·ə‚nō′fēn·əl sə′lis·ə‚lāt] (pharmacology) C6H4(NHCOCH3)OOCC6H4OH Odorless and tasteless, fine, white, crystalline scales with a melting point of 187-188°C; soluble in alcohol, ether, and hot water; used as an analgesic. Also known as phenetsal.