hairspring

English

Etymology

hair +‎ spring

Noun

hairspring (plural hairsprings)

  1. A spring, made of a coil of fine wire, that is used to regulate the movement of a balance wheel in a watch.

Derived terms

  • hairspring trigger
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.