# arsenic
## Noun (N)
### Sense: a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
- สารหนู
### Sense: a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
- ธาตุอาร์ซีนิก
- เลขอะตอม 33