释义 |
grapholite|ˈgræfəlaɪt| [f. Gr. γραϕο-, combining form of γραϕή writing + -lite.] Any species of slate suitable for writing on.
1796Kirwan Elem. Min. (ed. 2) I. 238 Grapholite (Argillaceous genus), gives a white streak, and is generally used to write upon. |