siliceous

adjective
si·li·ceous | \sə-ˈli-shəs \
variants: or less commonly silicious

Definition of siliceous 

: of, relating to, or containing silica or a silicate siliceous limestone

Examples of siliceous in a Sentence

Recent Examples on the Web

Siliceous stones include granite, slate, quartzite, soapstone, and sandstone. Seal Team One, The Seattle Times, "Seven tips for cleaning natural stone," 15 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'siliceous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of siliceous

circa 1656, in the meaning defined above

History and Etymology for siliceous

Latin siliceus of flint, from silic-, silex hard stone, flint

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The first known use of siliceous was circa 1656

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More Definitions for siliceous

siliceous

adjective
si·li·ceous
variants: also silicious \sə-ˈlish-əs \

Medical Definition of siliceous 

: of, relating to, or containing silica or a silicate a siliceous cement used in dentistry

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