| metaphosphoric | <chemistry> 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. Origin: Pref. Meta- + phosphoric Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| metaphosphoric acid | An anhydride of phosphoric acid used as a reagent, and in the manufacture of zinc oxyphosphate cement for dentistry. Synonym: metaphosphoric acid. (05 Mar 2000) |