| NOUN | artifact | hairspring | a fine spiral spring that regulates the movement of the balance wheel in a timepiece |
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| Meaning | A fine spiral spring that regulates the movement of the balance wheel in a timepiece. | |
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| Part of | timepiece, timekeeper, horologe | A measuring ... / measuring instrument or device for keeping time |
| Broader | spiral spring | A spring that is wound like a spiral |
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