sodium dichromate

noun

: a poisonous red deliquescent crystalline salt Na₂Cr₂O₇ made by oxidizing sodium chromate and used in making pigments, tanning leather, dyeing, cleaning and protecting metals from corrosion, and as an oxidizing agent

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