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arsenic trioxide

noun

, Chemistry.
  1. a white, tasteless, amorphous, slightly water-soluble, poisonous powder, As 2 O 3 , used chiefly in the manufacture of pigments and glass and as an insecticide or weed-killer; arsenous acid.


arsenic trioxide

noun

  1. a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As 2 O 3 Also calledarsenic
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Example Sentences

Meanwhile, the Industrial Revolution had democratized arsenic: as a byproduct of smelting iron ore, arsenic trioxide was scraped out of chimneys in vast quantities.

And it is full of arsenic trioxide, a compound that is produced by heating arsenopyrite ore, a mineral that has traces of gold.

And one compound - arsenic trioxide - has also found a legitimate medical use, as an anti-cancer agent.

From BBC

In the form of arsenic trioxide, it can be used to treat acute promyelocytic leukemia, the book says.

Oxidation may be effected by the addition to the glass mixture of a substance which gives up oxygen at a high temperature, such as manganese dioxide or arsenic trioxide.

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arsenic trichloridearsenic trisulfide