hairspring hairspring

Definition(s):

  • (n) a fine spiral spring that regulates the movement of the balance wheel in a timepiece

Usage(s):

  1. The whole economy seemed poised on such hairspring scales that businessmen took courage, or fright, from every vagrant sign.
  2. Since the 17th century they have depended on a delicate hairspring that keeps a balance wheel turning backward and forward at a regular rate.
Word of the Day
fathom fathom
/ˈfæ ðəm /