US:USA pronunciation: respellingUSA pronunciation: respelling(ə sēt′l sistē ēn′, -in, ə set′-, as′i tl-)

WordReference Random House Unabridged Dictionary of American English © 2020
a•ce•tyl•cys•te•ine  (ə sēt′l sistē ēn′, -in, ə set′-, as′i tl-),USA pronunciation n. [Pharm.]
  1. Drugsa substance, C5H9NO3S, used in solution as an inhalant to dissolve mucus in the treatment of chronic bronchitis, asthma, and emphysema and also used as an antidote in acetaminophen poisoning.
  • acetyl + cysteine


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