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siliceous

or si·li·cious

[ suh-lish-uhs ]

adjective

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


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


siliceous

/ sĭ-lĭshəs /

  1. Resembling or containing silica.


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Other Words From

  • nonsi·liceous adjective
  • nonsi·licious adjective
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Word History and Origins

Origin of siliceous1

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

Siliceous earth is not affected by the strongest heat, except by means of a burning lens, or dephlogisticated air.

Mention an instance of the abundant occurrence in the sea of animalcules with siliceous coverings and skeletons.

In many cases I believe that each half-frustule becomes coated with a new entire cell-wall, with its siliceous valves.

The rejected scoriæ have been found to be composed of siliceous matter 59, oxide of copper 1, oxide of tin 0·7.

These siliceous particles in their descent serve to extricate the air from the mass.

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