Moderate as in provenience The primary and essential element, akin to a keynote or keystone. Clear All
5 Example Sentences Showcasing the Meaning of 'Mainspring'
Learning about the scientific method is the mainspring of any student's journey into the world of research and experimentation.
The protagonist's quest for justice served as the mainspring, propelling the gripping storyline of the detective novel.
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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