from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any oxyanion of trivalent arsenic, especially the AsO33- anion (or protonated derivatives); Any salt containing this anion, or any ester of arsenious acid
from the GNU version of the Collaborative International Dictionary of English
- n. A salt formed by the union of arsenious acid with a base.
from The Century Dictionary and Cyclopedia
- n. A salt formed by the union of arsenious oxid with a base.
Sorry, no etymologies found.