Arsenic
WordNet

noun


(1)   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
(2)   A white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
WiktionaryText

Etymology


Middle English, from Old French, from arsenicum, from Ancient Greek αρσενικόν, orpiment, from Middle Persian (zarnikh), gold-colored

Noun


  1. A nonmetallic chemical element (symbol As) with an atomic number of 33.
  2. Arsenic trioxide.

Related terms


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