platinic chloride

noun

1

: a reddish brown solid salt PtCl₄ obtained usually by heating chloroplatinic acid with chlorine

2

: chloroplatinic acid

—not used systematically

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