a common mineral, titanium dioxide, TiO 2 , usually reddish-brown in color with a brilliant metallic or adamantine luster, occurring in crystals: used to coat welding rods.
a black, yellowish, or reddish-brown mineral, found in igneous rocks, metamorphosed limestones, and quartz veins. It is a source of titanium. Composition: titanium dioxide. Formula: TiO2. Crystal structure: tetragonal
A lustrous red, reddish-brown, or black tetragonal mineral that is an ore of titanium. Rutile usually occurs as prismatic crystals in other minerals, especially as dark needlelike crystals in quartz. Chemical formula: TiO2.
noun, Pharmacology. 1. a bright yellow or greenish-yellow substance, C 2 7 H 3 0 O 1 6 , obtained chiefly from buckwheat, and used in the treatment of capillary fragility.
noun 1. a city in W Vermont. 2. Rutlandshire. noun 1. an inland county of central England: the smallest of the historical English counties, it became part of Leicestershire in 1974 but was reinstated as an independent unitary authority in 1997: mainly agricultural. Administrative centre: Oakham. Pop: 35 700 (2003 est). Area: 394 sq km […]
[ruht-luh nd-sheer, -sher] /ˈrʌt ləndˌʃɪər, -ʃər/ noun 1. a former county, now part of Leicestershire, in central England.
noun 1. a furrow or track in the ground, especially one made by the passage of a vehicle or vehicles. 2. any furrow, groove, etc. 3. a fixed or established mode of procedure or course of life, usually dull or unpromising: to fall into a rut. verb (used with object), rutted, rutting. 4. to make […]