- a medium, yellowish-green color.
- Also called zinc green. a pigment used in painting consisting mainly of oxides of cobalt and zinc, characterized chiefly by its green color, fast drying rate, permanence, and lack of tinting strength.
Origin of cobalt green
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018