zinc yellow

noun

1

: a greenish yellow pigment that is usually made by reaction of zinc oxide, potassium dichromate, and sulfuric acid and then has the approximate composition 4ZnO.K₂O.4CrO₃.3H₂O of a complex salt and that is used chiefly in corrosion-inhibiting priming coats and in printing inks

called also zinc chrome

2

: light chrome yellow

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