Hypertext Webster Gateway: "metaphosphoric"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Metaphosphoric \Met`a*phos*phor"ic\, a. [Pref. meta- +
phosphoric.] (Chem.)
Pertaining to, or designating, a monobasic acid, {HPO3},
analogous to nitric acid, and, by heating phosphoric acid,
obtained as a crystalline substance, commonly called glacial
phosphoric acid.
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