| ARS | an acid formed from arsenic pentoxide |
|---|---|
| ARS | the univalent group derived from arsine |
| ARS | a white powdered poisonous trioxide of arsenic |
| ARS | relating to or containing arsenic |
| ARS | a compound of arsenic with a more positive element |
| ARS | relating to compounds in which arsenic is trivalent |
| ARS | a silver-white or gray ore of arsenic |
| ARS | a white powdered poisonous trioxide of arsenic |
| ARS | a white powdered poisonous trioxide of arsenic |
| ARS | a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare |
| ARS | malicious burning to destroy property |
| ARS | a criminal who illegally sets fire to property |