from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An inorganic compound, HPO3, used as a dehydrating agent and in dental cements.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. an anhydrous form of phosphoric acid that exists as a polymeric glassy solid, (HPO3)n; used as a drying agent and in dental cement
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a glassy solid acid ([HPO3]n) often used as a dehydrating agent
Sorry, no etymologies found.