Hairspring

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A spring, made of a coil of fine wire, that is used to regulate the movement of a balance wheel in a watch.
  2. 2
    a fine spiral spring that regulates the movement of the balance wheel in a timepiece wordnet

Synonyms

All synonyms
counterweightfixativegyroscopespringstabilizer

Etymology

From hair + spring.

Related phrases

hairspring triggerbalance wheel

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.