Definition of cobalt Cobalt

/kowˈbɔˌlt/ - [kowbolt] - co•balt

We found 9 definitions of cobalt from 7 different sources.

What does cobalt mean?

Noun Plural: cobalts
cobalt - a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
		Co, atomic number 27
		metallic element, metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
		smaltite a grey mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel
		cobaltite a rare silvery-white mineral; important ore of cobalt

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cobalt (n.)
A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.
cobalt (n.)
A commercial name of a crude arsenic used as fly poison.

cobalt
A metallic element with symbol Co and atomic number 27, used chiefly in alloys.

cobalt
kō′bawlt, n. a metal the ores of which are sparingly distributed—in the metallic state found in meteoric stones or aerolites, generally occurring combined with arsenic: a blue pigment, prepared from the foregoing—also Cō′balt-blue.—adj. of this deep-blue colour.—adjs. Cobalt′ic; Cobaltif′erous.—n. Cō′baltite, a sulpharsenide of cobalt. [Ger. kobalt, from kobold, a demon, a nickname given by the German miners, because they supposed it to be a mischievous and hurtful metal.]

Cobalt (chemical symbol Co) is a magnetic transition metal. It has an atomic number of 27 and an atomic mass of about 59. Cobalt is used in some types of steel. It is also used in some medicnes.