hairspring

From Wiktionary, the free dictionary
Archived revision by WingerBot (talk | contribs) as of 12:27, 18 March 2019.
Jump to navigation Jump to search

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