cerulean blue

noun

1

a

: a variable color averaging a strong greenish blue that is bluer and duller than grotto or cobalt blue and bluer and lighter than indigo carmine

b

: a strong blue that is greener and stronger than Sèvres and greener, lighter, and stronger than Victoria blue

called also coelin

2

: a stable light greenish blue pigment consisting essentially of oxides of cobalt and tin and used as an artist's color

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now