arsenic
1. [ noun ] (chemistry) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide and weed killer
Synonyms: arsenous_anhydride arsenous_oxide arsenic_trioxide
Related terms: trioxide
2. [ noun ] (chemistry) 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
Synonyms: atomic_number_33 As
Related terms: chemical_element realgar orpiment herbicide insecticide arsenopyrite
Similar spelling:   arsenical
  arsenide
  argentic
  arsenious
  arsenal
  arsonist
  Arseneau
  arsenate
  Arisaema
  arginine
  arson
  Arsenault
  Arreguin
  Arkin
  argon
  areca_nut
  Arciniega