curvometer

noun

cur·​vom·​e·​ter

ˌkərˈvämətər

plural -s

: an instrument for measuring the length of a curve, the simplest form consisting essentially of a wheel that is rolled tangentially along the curve and a recording dial

Word History

Etymology

curve + -o- + -meter

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