1. A white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
   - arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic, ratsbane 
2. A very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and in various alloys; found in arsenopyrite and orpiment and realgar
   - As, atomic number 33

Derived forms: arsenics

See also: arsenical, arsenious

Type of: chemical element, element, trioxide

Part of: arsenopyrite, herbicide, insect powder, insecticide, mispickel, orpiment, realgar, weed killer, weedkiller

Encyclopedia: Arsenic

• genus Dahlia
• genus Dalbergia
• genus Dalea
• genus Dama
• genus Damaliscus
• genus Danaea
• genus Danaus
• genus Daphne
• genus Daphnia
• genus Darlingtonia
• genus Darmera
• genus Dasyatis
• genus Dasyprocta
• genus Dasypus
• genus Dasyurus
• genus Datura
• genus Daubentonia
• genus Daucus
• genus Davallia
• restructure
• restyle
• resublime
• resubmit
• result
• resultant