单词 ferrian 释义 ferrian, a. Min.|frn|[f. L. ferr-um iron + -ian.]Of a mineral: having a (small) proportion of a constituent element replaced by ferric iron.1930[see ferroan a.].1954Thorpe's Dict. Appl. Chem. (ed. 4) XI. 883/1 Ferrian wad contains an in...