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siliceous

adjective
si·​li·​ceous | \ sə-ˈli-shəs How to pronounce siliceous (audio) \
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

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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More Definitions for siliceous

siliceous

adjective
si·​li·​ceous
variants: also silicious \ sə-​ˈlish-​əs How to pronounce silicious (audio) \

Medical Definition of siliceous

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

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