Silica

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• silică — SILÍCĂ, silice, s.f. Material refractar compus mai ales din bioxid de siliciu; cărămidă refractară silicioasă. – Din silice. Trimis de LauraGellner, 13.09.2007. Sursa: DEX 98  SILÍCĂ s. (constr.) dinas. (silică este o cărămidă refractară… …   Dicționar Român

• Silica — Sil i*ca, n. [NL., from L. silex, silics, a flint.] (Chem.) Silicon dioxide, SiO?. It constitutes ordinary quartz (also opal and tridymite), and is artifically prepared as a very fine, white, tasteless, inodorous powder. [1913 Webster] …   The Collaborative International Dictionary of English

• şilica — şílica! interj. (reg.; repetat) cuvânt cu care se cheamă raţele; mani!, uti!. Trimis de blaurb, 08.02.2007. Sursa: DAR …   Dicționar Român

• silica — hard silicon dioxide, 1801, Modern Latin, from L. silex (gen. silicis) flint, pebble, on model of alumina, soda …   Etymology dictionary

• sílica — s. f. 1. Substância branca e sólida chamada também óxido de silício. 2. Síliqua …   Dicionário da Língua Portuguesa

• šilica — šȉlica ž DEFINICIJA lokal., v. krojačica ETIMOLOGIJA vidi šiti …   Hrvatski jezični portal

• silica — ► NOUN ▪ silicon dioxide, a hard, unreactive, colourless compound which occurs as quartz and in sandstone and many other rocks. DERIVATIVES siliceous adjective. ORIGIN from Latin silex flint , on the pattern of words such as alumina …   English terms dictionary

• silica — [sil′i kə] n. [ModL < L silex, flint: see SILEX] a glassy, very hard mineral, silicon dioxide, SiO2, found in a variety of forms, as in quartz, opal, chalcedony, sand, or chert …   English World dictionary

• silica — /sil i keuh/, n. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called… …   Universalium

• Silica — The chief component of sand and a substance responsible for lung disease and cancer. Crystalline silica of respirable size is primarily quartz dust occurring in industrial and occupational settings in the form of fine, breathable particles.… …   Medical dictionary