acetophenetidin ac·e·to·phe·net·i·din (ās'ĭ-tō-fə-nět'ĭ-dĭn, ə-sē'tō-)
n.
A white powder or crystalline solid derived from coal tar and used in medicine to reduce fever and relieve pain. Also called phenacetin.
phenacetin phe·nac·e·tin (fə-nās'ĭ-tĭn)
n.
See acetophenetidin.