hairspring

[ hair-spring ]
/ ˈhɛərˌsprɪŋ /
|

noun Horology.

a fine, usually spiral, spring used for oscillating the balance of a timepiece.

Nearby words

  1. hairpiece,
  2. hairpin,
  3. hairsbreadth,
  4. hairsplitting,
  5. hairspray,
  6. hairstreak,
  7. hairstyle,
  8. hairstylist,
  9. hairtail,
  10. hairweave

Origin of hairspring

First recorded in 1820–30; hair + spring

Also called balance spring.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hairspring


British Dictionary definitions for hairspring

hairspring

/ (ˈhɛəˌsprɪŋ) /

noun

horology a very fine spiral spring in some timepieces, which, in combination with the balance wheel, controls the timekeeping
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012