Moderate as in fountain The main source or essential force that acts as a foundation or starting point, similar to a root. 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.
In the novel, the protagonist's desire for justice served as the mainspring driving the plot forward.
The mainspring behind the environmental movement is the concern for the planet's well-being.
A strong sense of community can be the mainspring for positive social change within a neighborhood.
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