1. A white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
   - arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic

Derived forms: ratsbanes

Type of: trioxide

• apian
• apiarian
• apiarist
• apiary
• apical
• apical placentation
• apiculate
• apicultural
• apiculture
• apiculturist
• Apidae
• apiece
• Apios
• Apios americana
• Apios tuberosa
• Apis
• Apis mellifera
• Apis mellifera adansonii
• Apis mellifera scutellata
• apish
• apishamore
• apishly
• Apium
• Apium graveolens
• Apium graveolens dulce