The Collaborative International Dictionary
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.]
Wiktionary
a. (context chemistry English) of, relating to, consisting of, or resembling silica or silicates alt. (context chemistry English) of, relating to, consisting of, or resembling silica or silicates
WordNet
adj. relating to or containing or resembling silica; "gritrock is siliceous sandstone" [syn: silicious]
Wikipedia
Usage examples of "siliceous".
Just in the same way the mineral waters of Missisquoi, and Bethesda, in America, through containing siliceous qualities so sublimated as almost to defy the analyst, are effective to cure cancer, albuminuria, and other organic complaints.
Early in the boring the sandstone had given place to a vein of Comanchian limestone, full of minute fossil cephalopods, corals, echini, and spirifera, and with occasional suggestions of siliceous sponges and marine vertebrate bones - the latter probably of teleosts, sharks, and ganoids.
Early in the boring the sandstone had given place to a vein of Comanchian limestone, full of minute fossil cephalopods, corals, echini, and spirifera, and with occasional suggestions of siliceous sponges and marine vertebrate bones--the latter probably of teleosts, sharks, and ganoids.
Then he looked around and saw that the debitage of chips and flakes, left behind in the process of making knives, spear points, scrapers, the chisel-like tools called burins, and other weapons and tools out of the hard siliceous stone, was all over.