noun
- Greenish-blue pigment consisting essentially of cobalt oxide and alumina.
- synonyms: cobalt blue
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cobalt ultramarine. Retrieved October 1, 2026, from http://smartdefine.org/cobalt_ultramarine/definitions/1266266 |
| Chicago | WordNet. 2010. "cobalt ultramarine" http://smartdefine.org/cobalt_ultramarine/definitions/1266266 (accessed October 1, 2026). |
| Harvard | WordNet 2010, cobalt ultramarine, Smart Define, viewed 1 October, 2026, <http://smartdefine.org/cobalt_ultramarine/definitions/1266266>. |
| MLA | WordNet. "cobalt ultramarine" 23 October 2010. Web. 1 October 2026. <http://smartdefine.org/cobalt_ultramarine/definitions/1266266> |