silica

== English == === Etymology === From New Latin silica, from Latin silex (“hard stone, flint”), on model of alumina, soda. === Pronunciation === (UK) IPA(key): /ˈsɪl.ɪ.kə/ === Noun === silica (countable and uncountable, plural silicas) Silicon dioxide. [from 1801] Any of the silica group of the silicate minerals. 1993, Historic American Building Survey, Town of Clayburg: Refractories Company Town, National Park Service, 2: Its Blair County property was sited at the foot of ganister-covered Dunnings Mountain to compete with the Mount Union plants making silica bricks for the steel industry. ==== Synonyms ==== E551 when used as an anti-caking agent ==== Derived terms ==== ==== Related terms ==== silex silicon ==== Translations ==== === See also === quartz sand === References === === Anagrams === Cialis, Liasic, salici, sialic