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Definition of arsenic noun from the Oxford Advanced American Dictionary

 

arsenic

 noun
noun
NAmE//ˈɑrsənɪk//
 
, NAmE//ˈɑrsnɪk//
 
[uncountable] (symbol As)
 
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a chemical element. Arsenic is an extremely poisonous white powder.
See the Oxford Advanced Learner's Dictionary entry: arsenic

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