cobalt
co·balt
noun \ˈkō-ˌbȯlt\Definition of COBALT
1
: a tough lustrous silver-white magnetic metallic element that is related to and occurs with iron and nickel and is used especially in alloys — see element table
2
: cobalt blue 2
Origin of COBALT
German Kobalt, alteration of Kobold, literally, goblin, from Middle High German kobolt; from its occurrence in silver ore, believed to be due to goblins
First Known Use: 1683
Rhymes with COBALT
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