Definitions for: Silex

[n] (trademark) a vacuum coffee maker
[n] a pure form of finely ground silica

Webster (1913) Definition: Si"lex, n. [L., a finit, a pebblestone.] (Min.)
Silica, SiO2 as found in nature, constituting quarz, and
most sands and sandstones. See Silica, and Silicic.

See Also: coffee maker, silica, silicon dioxide, silicon oxide