mainspring

Noun

The principal spring in a mechanical device, especially a watch or clock, that powers the movement.

ریشه

From main + spring, where 'main' refers to something principal or chief, and 'spring' refers to a coiled or elastic device that stores and releases energy.

مثال

• The mainspring of the clock needed to be replaced.
• The watch stopped working due to a broken mainspring.
• He carefully wound the mainspring to ensure accurate timekeeping.

ترکیب‌های رایج

Replace the mainspring Broken mainspring Wind the mainspring