Adhesive slate
(Min.) | a kind of slate of a greenish gray color, which absorbs water rapidly, and adheres to the tongue; whence the name. |
See also: Slate
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
(Min.) | a kind of slate of a greenish gray color, which absorbs water rapidly, and adheres to the tongue; whence the name. |
See also: Slate