Main Entry: co·balt

Pronunciation: \ˈkō-ˌbȯlt\

Function: noun

Etymology: German Kobalt, alteration of Kobold, literally, goblin, from Middle High German kobolt; from its occurrence in silver ore, believed to be due to goblins

Date: 1683

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