mainspring Meaning and Definition
بڑا کمانی
bara kamani
کسی بھی میکانی حصے کا مرکزی یا اہم اسپرنگ
kisi bhi meekani hissay ka markazi ya ahem asprng
اصلی کمانی
asli kamani
بڑی کمانی
barri kamani
1. n. the most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
A mainspring is a spiral torsion spring of metal ribbon - commonly spring steel - used as a power source in mechanical watches, some clocks, and other clockwork mechanisms.
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