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- n. The oxyacid of phosphorus H4P2O6
from the GNU version of the Collaborative International Dictionary of English
- adj. an acid, P2H4O6, produced by the slow oxidation of moist phosphorus, and isolated only as a solution in water. It is regarded as a condensation product of one molecule of phosphoric acid with one of phosphorous acid, by partial dehydration.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a crystalline tetrabasic acid (H4P2O6)
Sorry, no etymologies found.