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

• homophobia
• homophobic
• homophone
• homophonic
• homophonous
• homophony
• Homoptera
• homopteran
• homopterous
• homopterous insect
• homosexual
• homosexualism
• homosexuality
• homosporous
• homospory
• homostyled
• homostylic
• homostylous
• homotherm
• homothermic
• homothetic
• homozygosity
• homozygote
• homozygous
• homunculus