cobalt

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co·balt

 (kō′bôlt′)
n. Symbol Co
A hard, brittle metallic element, found associated with nickel, silver, lead, copper, and iron ores and resembling nickel and iron in appearance. It is used chiefly for magnetic alloys, high-temperature alloys, and in the form of its salts for blue glass and ceramic pigments. Atomic number 27; atomic weight 58.9332; melting point 1,495°C; boiling point 2,927°C; specific gravity 8.9; valence 2, 3. See Periodic Table.

[German Kobalt, from Middle High German kobolt, variant of kobold, goblin (from silver miners' belief that cobalt had been placed by goblins who had stolen the silver); see kobold.]

cobalt

(ˈkəʊbɔːlt)
n
(Elements & Compounds) a brittle hard silvery-white element that is a ferromagnetic metal: occurs principally in cobaltite and smaltite and is widely used in alloys. The radioisotope cobalt-60, with a half-life of 5.3 years, is used in radiotherapy and as a tracer. Symbol: Co; atomic no: 27; atomic wt: 58.93320; valency: 2 or 3; relative density: 8.9; melting pt: 1495°C; boiling pt: 2928°C
[C17: German Kobalt, from Middle High German kobolt goblin; from the miners' belief that malicious goblins placed it in the silver ore]

co•balt

(ˈkoʊ bɔlt)

n.
a hard, ductile element 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; < German Kobalt, variant of Kobold kobold]

co·balt

(kō′bôlt′)
Symbol Co A silvery-white, hard, brittle metallic element that occurs widely in ores containing other metals. It is used to make magnetic alloys, heat-resistant alloys, and blue pigment for ceramics and glass. Atomic number 27. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cobalt - a hard ferromagnetic silver-white bivalent or trivalent metallic elementcobalt - a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
cobalt 60 - a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy
cobaltite - a rare silvery-white mineral; important ore of cobalt
smaltite - a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel
Translations
عُنْصُر الكوبالت
kobalt
kobolt
kobalto
koobalt
koboltti
קובלט
kobalt
kobalt
kóbalt
コバルト
kobaltas
kobalts
cobalt
kobalt
kobalt

cobalt

[ˈkəʊbɒlt]
A. Ncobalto m
B. CPD cobalt blue Nazul m cobalto
cobalt bomb Nbomba f de cobalto

cobalt

[ˈkəʊbɔːlt]
n
(= metal) → cobalt m
(also cobalt blue) (= colour) → bleu m de cobalt
adj (in colour)de cobalt

cobalt

nKobalt nt

cobalt

[ˈkəʊbɒlt] ncobalto

cobalt

(ˈkəuboːlt) noun
a silver-white metal element with compounds that give a blue colouring.

co·balt

n. cobalto.

cobalt

n cobalto
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