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单词 arsenic trioxide
释义

WordReference Random House Unabridged Dictionary of American English © 2024
arsenic trioxide, [Chem.]
  1. Chemistry, Pest Controla white, tasteless, amorphous, slightly water-soluble, poisonous powder, As2O3, used chiefly in the manufacture of pigments and glass and as an insecticide or weed-killer;
    arsenous acid. Also called arsenic. 

Collins Concise English Dictionary © HarperCollins Publishers::
arsenic trioxide n
  1. a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
    Also called: arsenic
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