Found 1 items, similar to Trachyte.
English → English (gcide) Definition: Trachyte Trachyte \Tra"chyte\, n. [Gr. ? rough, rugged: cg. F. trachyte.] (Geol.) An igneous rock, usually light gray in color and breaking with a rough surface. It consists chiefly of orthoclase feldspar with sometimes hornblende and mica. [1913 Webster]