siliceous

or si·li·cious

[ suh-lish-uhs ]
/ səˈlɪʃ əs /

adjective

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

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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, adjectivenon·si·li·cious, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for siliceous

British Dictionary definitions for siliceous

siliceous

silicious

/ (sɪˈlɪʃəs) /

adjective

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

Scientific definitions for siliceous

siliceous
[ sĭ-lĭshəs ]

Resembling or containing silica.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.