osculometer

noun

os·​cu·​lom·​e·​ter

ˌäskyəˈlämətə(r)

: a graduated series of circular arcs for determining by superposition the curvature at any point on a curve

also : an instrument used for a similar purpose

Word History

Etymology

oscul- (from osculate) + -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