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mainspringmore about mainspring


  2  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Mainspring  \Main"spring`\,  n. 
  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 
  From  WordNet  r  1.6  [wn]: 
  n  :  the  most  important  spring  in  a  mechanical  device  (especially 
  a  clock  or  watch);  as  it  uncoils  it  drives  the  mechanism 

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