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arsenic
 
Noun arsenic has 2 senses
  1. arsenic, As, atomic number 33 - 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
    --1 is a kind of chemical element, element
    --1 is a substance of
     herbicide, weedkiller, weed killer; insecticide, insect powder; arsenopyrite, mispickel; orpiment; realgar
  2. arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide - a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide and weed killer
    --2 is a kind of trioxide
arse about face arse around arsehole arsen arsenal arsenal arsenals arsenate arsenic arsenic acid arsenic group arsenic trioxide arsenical arsenide arsenious arseno arsenopyrite

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