Meaning Of The Word Mainspring

Real Dictionary

What's the definition of Mainspring? Find Mainspring meanings, definitions and more at the Real Dictionary online.

Mainspring Meaning

Mainspring Definition
Mainspring Definition

What's The Definition Of Mainspring?

mainspring
If you say that an idea, emotion, or other factor is the mainspring of something, you mean that it is the most important reason or motive for that thing.

mainspring in American English
the principal spring in a clock, watch, or other mechanism; driving spring, whose steady uncoiling keeps the mechanism running
noun: the principal spring in a mechanism, as in a watch

mainspring in British English
noun: the principal power spring of a mechanism, esp in a watch or clock

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