arsenic trioxide

arsenic trioxide
noun
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
• Derivationally related forms: ↑arsenical (for: ↑arsenic)
• Hypernyms: ↑trioxide

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noun
: a white or transparent glassy extremely poisonous compound As2O3 or As4O6 that occurs naturally as arsenolite and claudetite, that is obtained usually from the flue dusts from smelters roasting arsenic-containing ores, and that is used especially as a decolorizing agent chiefly in making insecticides, weed killers, pigments, and glass — called also arsenious oxide, white arsenic

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Chem.
a 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.

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arsenic trioxide,
a violent poison that is a white, tasteless powder, used in industry and in medicine. Formula: As2O3 or As4O6

Useful english dictionary. 2012.

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  • arsenic trioxide — noun see arsenic I …   New Collegiate Dictionary

  • arsenic trioxide — Chem. a 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. * * * …   Universalium

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