acetylcysteine
noun
ace·tyl·cys·te·ine
ə-ˌsēt-ᵊl-ˈsis-tə-ˌēn 
ˌas-ə-ˌtēl-
ˌas-ə-ˌtēl-
ˌas-ət-ᵊl-
: a mucolytic agent C5H9NO3S used especially to reduce the viscosity of abnormally viscid respiratory tract secretions see mucomyst
Cite this Entry
“Acetylcysteine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/acetylcysteine. Accessed 1 Dec. 2025.
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