arsenic trioxide
noun Chemistry.
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.
Words nearby arsenic trioxide
arseniasis,
arsenic,
arsenic acid,
arsenic disulfide,
arsenic trichloride,
arsenic trioxide,
arsenic trisulfide,
arsenical,
arsenicalism,
arsenide,
arsenious
British Dictionary definitions for arsenic trioxide
arsenic trioxide
noun
a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As 2 O 3
Also called: arsenic