mainspring


Definition: Meaning of, mainspring in English to English dictionary.

Pronunciation: / ˈmeɪnsprɪŋ /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
mainspring mainsprings
[countable]
  1. the mainspring of something the most important reason or influence that makes something happen
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  2. the most important spring in a watch or clock
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