mainspring

pronunciation

How to pronounce mainspring in British English: UK [ˈmeɪnsprɪŋ]word uk audio image

How to pronounce mainspring in American English: US [ˈmenˌsprɪŋ] word us audio image

  • Noun:
    the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism

Word Origin

mainspring (n.)
1590s, of watches, clocks, etc., from main (adj.) + spring (n.3). Figurative use from 1690s.

Example

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