an acid, HPO3, derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.
- Compare phosphoric acid.
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How to use metaphosphoric acid in a sentence
Phosphorized bodies yielding by decomposition metaphosphoric acid.On Digestive Proteolysis | R. H. Chittenden
British Dictionary definitions for metaphosphoric acid
a glassy deliquescent highly polymeric solid, used as a dehydrating agent. Formula: (HPO 3) n: See also polyphosphoric acid
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