UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/fɪˈnæsɪtɪn/US:USA pronunciation: respellingUSA pronunciation: respelling(fə nasi tin)

WordReference Random House Unabridged Dictionary of American English © 2020
phe•nac•e•tin  (fə nasi tin),USA pronunciation n. [Pharm.]
  1. Drugsa white, slightly water-soluble, crystalline solid, C10H13NO2, used in medicine chiefly as an agent for checking or preventing fever or for relieving pain: withdrawn because of unfavorable side effects. Also called  acetophenetidin. 
  • phen(etidine) + acet(yl) + -in2 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
phenacetin /fɪˈnæsɪtɪn/ n
  1. a white crystalline solid formerly used in medicine to relieve pain and fever. Because of its kidney toxicity it has been superseded by paracetamol. Formula: CH3CONHC6H4OC2H5
    Also called: acetophenetidin
Etymology: 19th Century: from phenetidine + acetyl + -in
'phenacetin' also found in these entries:

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