Moderate as in cornerstone The primary and essential element, akin to a keynote or keystone. Clear All
5 Example Sentences Showcasing the Meaning of 'Mainspring'
The economic policies serve as the mainspring for the country's financial stability.
The mainspring of sustainable energy is harnessing power from renewable sources.
Innovation acts as the mainspring driving technological advancements.
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.
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