Definition of Cobalt in English :

Define Cobalt in English

Cobalt meaning in English

Meaning of Cobalt in English

Pronunciation of Cobalt in English

Cobalt pronunciation in English

Pronounce Cobalt in English

Cobalt

see synonyms of cobalt

Noun

1. atomic number 27, co, cobalt

a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition

WordNet Lexical Database for English. Princeton University. 2010.


Cobalt

see synonyms of cobalt
noun
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

Collins English Dictionary. Copyright © HarperCollins Publishers


Cobalt

see synonyms of cobalt
noun
a hard, lustrous, steel-gray, ductile, metallic chemical element, found in various ores: it is used in the preparation of magnetic, wear-resistant, and high-strength alloys: its compounds are used in the production of inks, paints, and varnishes: symbol, Co; at. no., 27: a radioactive isotope (cobalt-60) is used in the treatment of cancer, in research, etc.
see the periodic table of elements in the Reference Supplement

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Cobalt

see synonyms of cobalt
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.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.