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Definitions

mainspring

[meyn-spring] / ˈmeɪnˌsprɪŋ /












Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Fountain’s tradition of extending a wide communal embrace, welcoming underrepresented voices and addressing urgent social concerns, is clearly going to be a mainspring of Caldwell’s leadership.

From Los Angeles Times • Sep. 24, 2025

The question of appropriation is the editorial mainspring of “The Dolphin Letters.”

From The New Yorker • Dec. 9, 2019

The mechanisms of the league’s revenue — the television deals that are its mainspring, the creative marketing initiatives, the sponsorships — are driven by the owners, the entrepreneurial dealmakers such as Jones and Bob Kraft.

From Washington Post • Nov. 14, 2017

If true, Bicep’s detection of gravitational waves would confirm a theory that the universe began with a violent outward antigravitational swoosh known as inflation, the mainspring of Big Bang theorizing for the last three decades.

From New York Times • Sep. 22, 2014

“It’s how my father taught me. If I don’t wind it consistently, it won’t keep time as well. And if I overwind it, the mainspring might break.”

From "The City Beautiful" by Aden Polydoros




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