Hairspring
/ˈhersprɪŋ/
Definition 1 of 1
Pro Tip 1/3Watch Mechanism
Relate 'hairspring' to the intricate functions inside a mechanical watch. 
The watchmaker examined the hairspring to ensure the timepiece's accuracy.
Pro Tip 2/3Technical Context
Understand 'hairspring' is used in technical contexts, specifically related to watchmaking. 
He's studying the role of the hairspring in horology classes.
Pro Tip 3/3Precision Component
Recognize 'hairspring' as a key component for precision in devices, mainly watches. 
A malfunctioning hairspring can cause a watch to lose time.
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