1. arsenic - noun
· a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
Synonym(s): arsenic_trioxide, arsenous_anhydride, arsenous_oxide, white_arsenic, ratsbane
Hypernym(s): trioxide
2. arsenic - noun
· 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
Synonym(s): As, atomic_number_33
Hypernym(s): chemical_element, element
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