ac·et·ar·sone noun \ˌas-ət-ˈär-ˌsōn\
: a white powder C8H10AsNO5 used in the treatment of trichomonal vaginitis and Vincent's angina and in some countries in the treatment of amebiasis
Seen & Heard
What made you want to look up acetarsone? Please tell us where you read or heard it (including the quote, if possible).