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synonyms for mainspring

On this page you'll find 453 synonyms, antonyms, and words related to mainspring, such as: ground, heart, basis, cause, essence, and essentiality.

antonyms for mainspring

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How to use mainspring in a sentence

  • The outer end of the mainspring is attached to the rim of the barrel, and the inner end to the barrel arbor.

  • Unless this double mainspring is known, the conduct of Catherine de' Medici will remain forever misunderstood.

    Catherine de' Medici | Honore de Balzac
  • To such religion was the mainspring which kept the whole intellect going; and religion was to be had at the meeting.

    East Anglia | J. Ewing Ritchie

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