from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sulfide compound in which part of the sulfur has been replaced by oxygen.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mixed oxide and sulfide.
Sorry, no etymologies found.
The markers are made of gadolinium oxysulfide and coated with either terbium (glows green) or europium (glows red).
Waste incineration facilities will be required to release annual environmental impact reports to the public, and update online statistics on their release of oxysulfide, nitrogen oxides and hydrogen chloride in real time, with annual tests for accuracy, the notice said.