Noun: arsenic trioxide
- A white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
"arsenic trioxide has been used in traditional Chinese medicine despite its toxicity";
- arsenic, arsenous anhydride, arsenous oxide, white arsenic, ratsbane
Derived forms: arsenic trioxides
Type of: trioxide
Encyclopedia: Arsenic trioxide