[ uh-seet-l-sis-tee-een, -in, uh-set-, as-i-tl- ]
/ əˌsit lˈsɪs tiˌin, -ɪn, əˌsɛt-, ˌæs ɪ tl- /

noun Pharmacology.

a 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.

Origin of acetylcysteine Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020