SINCE 1828
acetylcysteine
noun
ace·tyl·cys·te·ine
| \ ə-ˌsēt-ᵊl-ˈsis-tə-ˌēn
, ˌas-ə-ˌtēl-
, ˌas-ət-ᵊl-\
, ˌas-ə-ˌtēl-
, ˌas-ət-ᵊl-\
Medical Definition of acetylcysteine
: a mucolytic agent C5H9NO3S used especially to reduce the viscosity of abnormally viscid respiratory tract secretions — see mucomyst
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