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TOEFL BNC: 34688 COCA: 39681

mainspring

1 ENTRIES FOUND:
mainspring /ˈmeɪnˌsprɪŋ/ noun
plural mainsprings
mainspring
/ˈmeɪnˌsprɪŋ/
noun
plural mainsprings
Learner's definition of MAINSPRING
[count]
: the most important spring in a watch or clock(钟表的)主发条,主弹簧
: the most important or powerful cause or part of something主要推动力;主要原因;主要部分
TOEFL BNC: 34688 COCA: 39681

mainspring

noun

main·​spring ˈmān-ˌspriŋ How to pronounce mainspring (audio)
1
: the chief spring in a mechanism especially of a watch or clock
2
: the chief or most powerful motive, agent, or cause

Example Sentences

Agriculture is the mainspring of their economy.
Recent Examples on the Web An utterly absurd car chase and a fight ensue—so does a warm personal relationship between Emily and Youcef, which provides the mainspring of the movie’s drama. Richard Brody, The New Yorker, 11 Aug. 2022 Here was an opportunity to acquire and restore the old mainspring. Gregory Thomas, San Francisco Chronicle, 3 Aug. 2022 Inside, there are two mainplates, each of which holds a movement consisting of a mainspring, a cylinder, a comb and regulator. Roberta Naas, Forbes, 4 May 2022 The energy created by these thermal variations is connected to a mechanism that uses it to wind the mainspring. Carol Besler, Robb Report, 13 Apr. 2022 His musical collaboration with Parks is the personal, passionate mainspring of that transformation. Richard Brody, The New Yorker, 26 Apr. 2022 Cartier has created a platinum automatic skeleton watch in which the rotor houses the entire movement—mainspring, escapement, and all. Charles Curkin, ELLE Decor, 12 Apr. 2022 Her film’s ironies start with the title, because many of the movie’s viewers, like many of its interview subjects from the world of music, would rather not listen to Kenny G’s music at all—and their aversion is the mainspring of the film. Richard Brody, The New Yorker, 4 Dec. 2021 Between picturesque villages with draconian speed limits, the iX unwinds like a fine mainspring. Dan Neil, WSJ, 1 Oct. 2021 See More

Word History

First Known Use

1591, in the meaning defined at sense 1

Time Traveler
The first known use of mainspring was in 1591
TOEFL BNC: 34688 COCA: 39681

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