Meaning of the word mainspring in English
What does mainspring mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.
mainspring
US /ˈmeɪn.sprɪŋ/
UK /ˈmeɪn.sprɪŋ/
Noun
1.
the most important spring in a mechanical device, especially a watch or clock, that provides the power
Example:
•
The watch stopped because its mainspring was broken.
•
He carefully wound the mainspring of the antique clock.
2.
the chief or most important cause or motive of something
Example:
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Economic growth is the mainspring of national prosperity.
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His ambition was the mainspring of all his efforts.