[ 'kəʊbɔ:lt , -ɒlt ]
■ noun the chemical element of atomic number 27, a hard silvery-white magnetic metal. (Symbol: Co )
Derivatives
~ic kə(ʊ)'bɔ:ltɪk , -'bɒlt- adjective
~ous kə(ʊ)'bɔ:ltəs , -'bɒlt- adjective
Origin
C17: from Ger. Kobalt 'imp, demon' (from the belief that ~ was harmful to the ores with which it occurred).