Webster’s Revised Unabridged Dictionary · 1913
Grapholite
Graph′o·lite (grăf′ō·līt), n. [Gr. γράφειν to write + -lite: cf. F. grapholithe.] Any species of slate suitable to be written on.
Webster’s Revised Unabridged Dictionary · 1913
Graph′o·lite (grăf′ō·līt), n. [Gr. γράφειν to write + -lite: cf. F. grapholithe.] Any species of slate suitable to be written on.