SILICA


Meaning of SILICA in English

noun Etymology: New Latin, from Latin silic-, silex hard stone, flint Date: circa 1801 silicon dioxide SiO 2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively)

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.