Expert as in keynote/keystone The primary source of power, often located at the bottom, that drives a mechanism or device. Clear All
4 Example Sentences Showcasing the Meaning of 'Mainspring'
The watchmaker delicately adjusted the mainspring to ensure precise timekeeping.
The antique car restoration enthusiast meticulously replaced the worn-out mainspring to revive the engine's power.
The discovery of the lost manuscript acted as the mainspring for the literary community, sparking renewed interest in the author's work.
The entrepreneur believed that innovation was the mainspring driving the success of his startup in the competitive market.
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