Meaning of SILICA in English

n. silicon dioxide, occurring as quartz etc. and as a principal constituent of sandstone and other rocks. silica gel hydrated silica in a hard granular form used as a desiccant. siliceous adj. (also silicious). silicic adj. silicify & intr. (-ies, -ied). silicification n.

[ L silex -icis flint, after alumina etc. ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.