mainspring - WordReference.com Dictionary of English

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- See Also:
- - maincrop
  - Maine Coon
  - Mainer
  - mainframe
  - mainland
  - mainly
  - mainmast
  - mainplane
  - mainsail
  - mainsheet
  - mainspring
  - mainstay
  - mainstream
  - maintain
  - maintained school
  - maintenance
  - maintop
  - maintopmast
  - maiolica
  - maisonette
  - Maithili
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mainspring

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Concise Oxford English Dictionary © 2008 Oxford University Press:
mainspring/ˈmeɪnsprɪŋ/

▶noun

1 the principal spring in a watch, clock, etc.

2 the main agent of motivation.

'mainspring' also found in these Oxford entries:

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