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mainspring
[ meyn-spring ]
/ ˈmeɪnˌsprɪŋ /
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noun
the principal spring in a mechanism, as in a watch.
the chief motive power; the impelling cause.
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Which of the following colors is used to symbolize AIR?
Words nearby mainspring
mains, mainsail, main sequence, main shaft, mainsheet, mainspring, main squeeze, mainstay, main stem, main store, mainstream
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use mainspring in a sentence
British Dictionary definitions for mainspring
mainspring
/ (ˈmeɪnˌsprɪŋ) /
noun
the principal power spring of a mechanism, esp in a watch or clock
the chief cause or motive of something
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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