cobalt colour

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• cobalt processing — Introduction       preparation of the metal for use in various products.       Below 417° C (783° F), cobalt (Co) has a stable hexagonal close packed crystal structure. At higher temperatures up to the melting point of 1,495° C (2,723° F), the… …   Universalium

• Colour Index — Le Colour Index International est une base de données de référence maintenue conjointement par la Society of Dyers and Colourists et par l American Association of Textile Chemists and Colorists. Elle a été imprimée pour la première fois en 1925… …   Wikipédia en Français

• cobalt — /koh bawlt/, n. a silver white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. Symbol: Co; at. wt.: 58.933; at. no.: 27; sp. gr.: 8.9 at 20°C. [1675 85; …   Universalium

• colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …   Universalium

• cobalt — [[t]ko͟ʊbɔːlt[/t]] 1) N UNCOUNT Cobalt is a hard silvery white metal which is used to harden steel and for producing a blue dye. ...a country rich in copper, cobalt and diamonds. 2) COLOUR Cobalt or cobalt blue is a deep blue colour. They walked… …   English dictionary

• cobalt — co|balt [ˈkəubo:lt US ˈkoubo:lt] n [U] [Date: 1600 1700; : German; Origin: kobalt, from kobold goblin ; because goblins were thought to mix it in with silver found in the ground] 1.) a shiny silver white metal that is often combined with other… …   Dictionary of contemporary English

• cobalt — noun (U) 1 a shiny silver white metal that is a chemical element (=simple substance), and that is used to make some metals and to give a blue colour to some substances 2 a bright blue green colour: the parrot s cobalt feathers cobalt adjective …   Longman dictionary of contemporary English

• cobalt — UK [ˈkəʊˌbɔːlt] / US [ˈkoʊˌbɔlt] noun [uncountable] 1) cobalt or cobalt blue a blue green colour 2) a hard silver white metal used in alloys (= combinations of metals) and for making things blue Derived word: cobalt UK / US adjective …   English dictionary

• cobalt — n. Chem. a silvery white magnetic metallic element occurring naturally as a mineral in combination with sulphur and arsenic, and used in many alloys. Usage: Symb.: Co. Phrases and idioms: cobalt blue 1 a pigment containing a cobalt salt. 2 the… …   Useful english dictionary

• cobalt bloom — /koʊbɔlt ˈblum/ (say kohbawlt bloohm) noun the mineral erythrite, hydrated cobalt arsenate, CO3(AsO4)2.8H2O, usually of a peach red colour, and often occurring as a pulverulent encrustation; used for colouring glass and ceramics …  

• cobalt — [ˈkəʊˌbɔːlt] noun [U] a blue green colour …   Dictionary for writing and speaking English