Dictionary

siliceous

siliceous

adjective si·li·ceous \sə-ˈli-shəs\

Definition of SILICEOUS

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

Variants of SILICEOUS

si·li·ceous also si·li·cious \sə-ˈli-shəs\

Origin of SILICEOUS

Latin siliceus of flint, from silic-, silex hard stone, flint
First Known Use: circa 1656

siliceous

adjective si·li·ceous   (Medical Dictionary)

Medical Definition of SILICEOUS

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

Variants of SILICEOUS

si·li·ceous also si·li·cious \sə-ˈlish-əs\

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March 05, 2015
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