from the GNU version of the Collaborative International Dictionary of English
- adj. arsenious oxide, As2O3, a substance of a white color, and vitreous adamantine luster, having an astringent, sweetish taste. It is a deadly poison.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
Sorry, no etymologies found.