depinisyon kahulugan
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doc Definition of mainspring
    English to English
    noun
  • the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
  • source: WordNet 3.0
  • The principal or most important spring in a piece of mechanism, especially the moving spring of a watch or clock or the spring in a gunlock which impels the hammer. Hence: The chief or most powerful motive; the efficient cause of action.
  • source: Webster 1913
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