Advanced as in cornerstone 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 toy designer integrated a reliable mainspring to power the intricate movements of the wind-up toy.
The automaton's intricate dance was choreographed with precision, thanks to its well-crafted mainspring.
The engineer designed a compact mainspring to power the miniature robot, ensuring efficient and agile movements.
The mainspring of a successful novel lies in its captivating plot and well-developed characters.
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