arsenous oxide meaning

UK US

arsenous oxide (noun): a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer.

Definition of arsenous oxide

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

    Synonyms: arsenic, arsenic trioxide, arsenous anhydride, white arsenic, ratsbane

    Type of: trioxide

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