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siliceous

3 ENTRIES FOUND:

si·li·ceous

adj \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

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