from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to polythionic acid or its derivatives
from The Century Dictionary and Cyclopedia
- Noting any one of a series of acids each member of which contains in its molecule two atoms of hydrogen and six of oxygen, with a number of sulphur atoms varying from two to six: as dithionic acid, H2S2O6, and tetrathionic acid, H2S4O6.
Sorry, no etymologies found.