GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   metaphosphoric (?), 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.  Compare the tribasic orthophosphoric acid.
   
   [1913 Webster +PJC]