Origin of siliceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for silicious
Those which I saw appeared to belong to that species of the silicious genus usually called Gneiss, a sort of slaty granite.
The surface rock is hard, silicious limestone with bands of flint.Biblical Geography and History
Charles Foster Kent
The white powder is for the most part an impure, silicious, kaolin.
The staple of the soil ought to be silicious, fertile, and deep.The Commercial Products of the Vegetable Kingdom
P. L. Simmonds
Diatoms in a fossilised condition are silicious, and they are to be found in Virginia, in Bermuda, and here.Bunch Grass
Horace Annesley Vachell
- of, relating to, or containing abundant silicasiliceous deposits; a siliceous clay
- (of plants) growing in or needing soil rich in silica
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Resembling or containing silica.
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