NOUN
- a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
How To Use arsenic trioxide In A Sentence
- Treatments used arsenic right up until the 1950s when tablets still contained one-eighth grain of arsenic trioxide. Times, Sunday Times
- A case of suicide involving the intravenous injection of barbital and the oral ingestion of arsenic trioxide is reported.