SILICA


Meaning of SILICA in English

sil ‧ i ‧ ca /ˈsɪlɪkə/ BrE AmE noun [uncountable]

[ Date: 1800-1900 ; Language: Modern Latin ; Origin: Latin silex 'flint' ]

a chemical ↑ compound that exists naturally as sand, ↑ quartz , and ↑ flint , used in making glass

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.