n. A dibasic acid H2MnO4, formed from manganese, analogous to sulphuric acid; it is found only in solution and in manganate salts. [ 1913 Webster + WordNet 1.5 ]
n. A dibasic acid H2MnO4, formed from manganese, analogous to sulphuric acid; it is found only in solution and in manganate salts. [ 1913 Webster + WordNet 1.5 ]