Moderate as in provenience A component, typically found in devices such as clocks or watches, that serves as the primary source of power, as in a fountain. Clear All
5 Example Sentences Showcasing the Meaning of 'Mainspring'
The young student learned about the mainspring while exploring the inner workings of a vintage pocket watch.
The watch enthusiast admired the precision engineering of the mainspring in high-end luxury watches.
Environmental sustainability is the mainspring of the company's mission and practices.
As a teacher, understanding the mainspring of each student's motivation is crucial for effective instruction.
The mainspring of the novel's plot was a long-lost treasure hidden in a forgotten city.
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