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siliceous

[suh-lish-uh s] /səˈlɪʃ əs/
adjective
1.
containing, consisting of, or resembling silica.
2.
growing in soil rich in silica.
Also, silicious
[suh-lish-uh s] /səˈlɪʃ əs/ (Show IPA)
.
Origin
1650-1660
1650-60; < Latin siliceus of flint or limestone. See silex, -eous
Related forms
nonsiliceous, adjective
nonsilicious, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for silicious

siliceous

/sɪˈlɪʃəs/
adjective
1.
of, relating to, or containing abundant silica: siliceous deposits, a siliceous clay
2.
(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
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silicious in Science
siliceous
  (sĭ-lĭsh'əs)   
Resembling or containing silica.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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