fentanyl

1. (pharmacology) A synthetic opioid narcotic analgesic C₂₂H₂₈N₂O with pharmacological action similar to morphine that is administered transdermally as a skin patch and in the form of its citrate C₂₂H₂₈N₂O·C₆H₈O₇ is administered orally or parenterally (as by intravenous or epidural injection); N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide.Examples: "Approved name ! Other names ! Action and use Fentanyl .. ! 1-Phenethyl-f-(N-propionylanilino)-piperidine ! Narcotic; analgesic"; "Fentanyl represents the latest wave of a rolling drug epidemic that has been fueled by prescription painkillers, as addicts continue to seek higher highs and cheaper fixes. “It started out as an opioid epidemic, then heroin, but now it’s a fentanyl epidemic,” Maura Healey, the attorney general of Massachusetts, said in an interview."; "Lil Peep died of an overdose of fentanyl and generic Xanax, according to the Pima Country Office of the Medical Examiner."countableuncountable