释义 |
biotite Min.|ˈbaɪətaɪt| [after Biot, a French mineralogist.] Hexagonal or magnesia mica.
1862Ansted Channel Isl. ii. x. (ed. 2) 259 note, The ordinary varieties of mica (not biotite). 1878Lawrence Cotta's Rocks Class. 21 The geological area of biotite. |