Found 2 items, similar to Siliceous.
English → English (WordNet) Definition: siliceous siliceous adj : relating to or containing or resembling silica; “gritrock is siliceous sandstone” [syn: silicious]
English → English (gcide) Definition: Siliceous Siliceous \Si*li"ceous\, a. [L. siliceus, fr. silex, silicis, a flint.] Of or pertaining to silica; containing silica, or partaking of its nature. [Written also silisious.] [1913 Webster]