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Noun: arsenous anhydride  'aa(r)-su-nus an'hI,drId
  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 oxide, white arsenic, ratsbane

Derived forms: arsenous anhydrides

Type of: trioxide

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arsenate
arsenic
arsenic acid
arsenic group
arsenic trioxide
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arsenite
arsenopyrite
arsenous anhydride
arsenous oxide
arsey
arsine
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