from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or designating, a yellow crystalline substance (called also perthiocyanic acid), analogous to sulphocyanic acid, but containing more sulphur.
from The Century Dictionary and Cyclopedia
- Containing more sulphur than sulphocyanic acid.
- Normal persulphocyanic acid, which is not known in the free state. Its salts are made by the action of alkalies on isopersulphocyanic acid.
Sorry, no etymologies found.