arsenic trioxide

American  

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.

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arsenic trioxide British  

noun

1. Also called: arsenic.  a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As 2 O 3

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Example Sentences

See Examples For:

arsenic trioxide

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

From Washington Post ● Jun. 10, 2013

Arsenic trichloride, when mixed with enough water, breaks down into arsenic trioxide and hydrochloric acid in a chemical reaction that increases its corrosive properties.

From Time Magazine Archive

It is combustible, burning with a pale bluish-white flame to form arsenic trioxide and water when air is in excess: 2AsH3 + 6O = As2O3 + 3H2O.

From An Elementary Study of Chemistry by William McPherson

Mercuric oxide, sulphide and iodide; arsenic trioxide; titanium dioxide and silicon dioxide may be cited as examples.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

Its most important compound is As2O3, arsenic trioxide, called also arsenious anhydride, arsenious acid, white arsenic, etc.

From An Introduction to Chemical Science by Rufus Phillips Williams