Glass″y (?), a. 1. Made of glass; vitreous; as, a glassy substance. Bacon.
2. Resembling glass in its properties, as in smoothness, brittleness, or transparency; as, a glassy stream; a glassy surface; the glassy deep.
3. Dull; wanting life or fire; lackluster; — said of the eyes. “In his glassy eye.” Byron.
Glassy feldspar(Min.), a variety of orthoclase; sanidine.