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.

Nearby words

  1. arseniasis,
  2. arsenic,
  3. arsenic acid,
  4. arsenic disulfide,
  5. arsenic trichloride,
  6. arsenic trisulfide,
  7. arsenical,
  8. arsenicalism,
  9. arsenide,
  10. arsenious

Also called arsenic.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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 3Also called: arsenic
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