n.
Pronunciation: ' k ō - ˌ bo ̇ lt
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