Ruhmkorff coil

noun

Ruhm·​korff coil

ˈrümˌkȯrf-

: induction coil

Word History

Etymology

after Heinrich Ruhmkorff †1877 German physicist, its inventor

First Known Use

1850, in the meaning defined above

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