Gmelin's test

noun

variants or Gmelin's reaction

: a test for bile pigments (as in the urine) that is made by carefully mixing the solution to be tested with nitric acid containing some nitrous acid and that shows a positive result when a series of colors appears at the juncture of the solution and the acid

Word History

Etymology

after Leopold Gmelin †1853 German chemist

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