hairspring

English

Etymology

hair +‎ spring

Pronunciation

• Audio (US):

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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

• hairspring trigger

Translations

Translations

• German: Spiralfeder (de) f, Unruhfeder f