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Showing words for COBALT using the English dictionary
6 Letter Words for Cobalt
5 Letter Words for Cobalt
4 Letter Words for Cobalt
3 Letter Words for Cobalt
Definitions for Cobalt
[1] a silver-white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. Symbol : Co; atomic weight : 58.933; atomic number : 27; specific gravity : 8.9 at 20°C.
[2] 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
Words related to Cobalt
blue-green, turquoise, royal, azure, navy, indigo, sapphire, ultramarine, beryl, teal, cerulean
Words nearby Cobalt
cob coal, cob money, cob pie, cobaea, cobalamin, cobalt, cobalt 60, cobalt bloom, cobalt blue, cobalt bomb, cobalt green
Origin of Cobalt
1675–85; < German Kobalt, variant of Kobold kobold
Word origin for Cobalt
C17: German Kobalt, from Middle High German kobolt goblin; from the miners' belief that malicious goblins placed it in the silver ore
Synonyms for Cobalt
blue-green, azure, beryl, cerulean, indigo, navy, royal, sapphire, teal, turquoise, ultramarine, blue-gray