arsenic trioxide

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Related to Arsenious oxide: White arsenic

ar·se·nic trioxide

 (är′sə-nĭk)
n.
A poisonous, white amorphous powder, As2O3, used in insecticides, rat poisons, weed killers, pigments, and preservatives for hides and wood.

arsenic trioxide

n
(Elements & Compounds) a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3. Also called: arsenic

ar′senic triox′ide


n.
a white, tasteless, poisonous powder, As2O3, used chiefly in the manufacture of pigments and glass and as an insecticide or weed-killer.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arsenic trioxide - a white powdered poisonous trioxide of arsenicarsenic trioxide - a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
trioxide - an oxide containing three atoms of oxygen in the molecule
References in periodicals archive ?
Bromate mass fraction has been determined by titration with arsenious oxide in acid solution using an amperometric end point (7).
Scorodite was once found in such abundance that a plant was erected on-site to recover arsenious oxide.