siliceous

or si·li·cious

[ suh-lish-uhs ]

adjective

containing, consisting of, or resembling silica.
growing in soil rich in silica.

Origin of siliceous

First recorded in 1650–60, siliceous is from the Latin word siliceus of flint or limestone. See silex, -eous

Other words from siliceous

non·si·li·ceous, adjective
non·si·li·cious, adjective

Words Nearby siliceous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use siliceous in a sentence

siliceous earth is not affected by the strongest heat, except by means of a burning lens, or dephlogisticated air.
Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry | Joseph Priestley
Mention an instance of the abundant occurrence in the sea of animalcules with siliceous coverings and skeletons.
Geology | James Geikie
In many cases I believe that each half-frustule becomes coated with a new entire cell-wall, with its siliceous valves.
An Elementary Text-book of the Microscope | John William Griffith
The rejected scoriæ have been found to be composed of siliceous matter 59, oxide of copper 1, oxide of tin 0·7.
A Dictionary of Arts, Manufactures and Mines | Andrew Ure
These siliceous particles in their descent serve to extricate the air from the mass.
A Dictionary of Arts, Manufactures and Mines | Andrew Ure

British Dictionary definitions for siliceous

siliceous

silicious

/ (sɪˈlɪʃəs) /

adjective

of, relating to, or containing abundant silica: siliceous 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

Scientific definitions for siliceous

siliceous

[ sĭ-lĭsh′əs ]

Resembling or containing silica.

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