n. [ Gr. &unr_; ashes. ] (Geol.) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both. [ 1913 Webster ]
n. [ Cf. F. néphrite. See nephritis. ] (Min.) A hard compact mineral, of a dark green color, formerly worn as a remedy for diseases of the kidneys, whence its name; kidney stone; a kind of
n. [ Cf. F. néphrite. See nephritis. ] (Min.) A hard compact mineral, of a dark green color, formerly worn as a remedy for diseases of the kidneys, whence its name; kidney stone; a kind of