siliceous

or si·li·cious

[ suh-lish-uhs ]

adjective
  1. containing, consisting of, or resembling silica.

  2. growing in soil rich in silica.

Origin of siliceous

1
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. 2024

How to use siliceous in a sentence

British Dictionary definitions for siliceous

siliceous

silicious

/ (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

Scientific definitions for siliceous

siliceous

[ sĭ-lĭshəs ]


  1. Resembling or containing silica.

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