chromotropic acid

noun

variants or less commonly chromotrope acid

: a colorless crystalline acid C₁₀H₄(OH)₂(SO₃H)₂ used as a dye intermediate and as an analytical reagent

Word History

Etymology

International Scientific Vocabulary chromotropic, chromotrope (from chrom- + -tropic, -trope) + acid; originally formed as German chromotropsäure

The Ultimate Dicitonary 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