Sī'lex, n.
n. [Lat., a flint.] (Min.) Silicic acid, generally impure, as it is found in nature, constituting flint, quartz, and most sands and sandstones. See SILICA and SILICIC.
n. [Lat., a flint.] (Min.) Silicic acid, generally impure, as it is found in nature, constituting flint, quartz, and most sands and sandstones. See SILICA and SILICIC.