silica

8 ENTRIES FOUND:

sil·i·ca

noun \ˈsi-li-kə\

Definition of SILICA

: the dioxide of silicon SiO2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively)

Origin of SILICA

New Latin, from Latin silic-, silex hard stone, flint
First Known Use: circa 1801

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