Origin of cobaltGerman kobalt: so named (c. 1730) by Georg Brandt (1694-1768), Swedish chemist from German kobold, literally , goblin; term used for the ore by miners, who regarded it as worthless and as injurious because of its arsenic content
Origin of cobaltGerman Kobalt from Middle High German kobolt variant of kobold goblin (from silver miners' belief that cobalt had been placed by goblins who had stolen the silver) ; see kobold .
- A chemical element (symbol Co) with an atomic number of 27.
- Cobalt blue.
From German Kobold (“goblin”), from Middle High German (see Kobold for more).