bn:00052862n
Noun Concept
Categories: Timekeeping components, Springs (mechanical), Horology
EN
mainspring  Main spring  Motor spring  Watchspring
EN
The most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism WordNet 3.0
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EN
The most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism WordNet 3.0 & Open English WordNet
A mainspring is a spiral torsion spring of metal ribbon—commonly spring steel—used as a power source in mechanical watches, some clocks, and other clockwork mechanisms. Wikipedia
spiral torsion spring of metal ribbon used as a power source in mechanical watches, some clocks, and other clockwork mechanisms Wikidata
The principal spring of a clockwork mechanism, which drives it by uncoiling. Wiktionary
The principal spring of a clockwork mechanism. Wiktionary (translation)
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