1 hairspring | Definition of hairspring

hairspring

noun
hair·​spring | \ ˈher-ˌspriŋ How to pronounce hairspring (audio) \

Definition of hairspring

: a slender spiraled recoil spring that regulates the motion of the balance wheel of a timepiece

First Known Use of hairspring

1830, in the meaning defined above

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Rhyming Dictionary: Words that rhyme with hairspring

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