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

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

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.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 1 "Gichtel, Johann" to "Glory" by Various

Examine metallic arsenic, realgar, orpiment, arsenopyrite, arsenic trioxide, copper arsenite.

From An Introduction to Chemical Science by Williams, Rufus Phillips

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 McPherson, William