释义 |
octahedrid, a. Cryst.|ɒktəˈhiːdrɪd, -ˈhɛdrɪd| [f. as prec. + -id2.] Applied to any plane, in a crystallographic system, which intersects all the three axes of coordinates; so called because a group of eight such planes would form an octahedron. Opposed to prismatoid and pinakoid.
1895Story-Maskelyne Crystallogr. ii. §18. |