- silica
- noun Etymology: New Latin, from Latin silic-, silex hard stone, flint Date: circa 1801 silicon dioxide SiO2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively)
New Collegiate Dictionary. 2001.
silica
Look at other dictionaries:
Silica — (Village) Administration Pays … Wikipédia en Français
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
