WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / C / cobalt ultramarine cobalt ultramarine noun /koʊbɔltəltrəmərin/ 18 letters Scrabble 23 WWF 30 Definitions noun greenish-blue pigment consisting essentially of cobalt oxide and alumina cobalt blue Look “cobalt ultramarine” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →