acetylcysteine

[ 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