What's Trending Now
More Trending Words
Breguet hairspring
noun
Bre·guet hairspring
\brəˈgā-\
Definition of Breguet hairspring
: a flat spiral hairspring whose last outer coil is raised and curved back to a point near the center
Explore Merriam-Webster
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of breguet hairspring
after Abraham L. Bréguet †1823 French horologist
Seen and Heard
What made you want to look up Breguet hairspring? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!