fusee
9.9
A spiral, cone-shaped rod inside old clocks that evens out power from the main spring
- noun
- Archaic
:
fusée
- A bishop's miter held a fusee adjusting rod, a staking tool, and other horological items of more obscure function.
Examples
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The watchmaker carefully replaced the worn fusee to ensure the clock maintained accurate time.
-
In the intricate design of the antique clock, the fusee plays a crucial role in regulating its movement.
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To repair the timepiece, he had to adjust the fusee to balance the tension of the mainspring.
Synonyms
9.9
A cone-shaped part in old clocks that keeps spring power steady as it unwinds
is the same mechanism but expressed in a shorter technical name
Compounds
fusee drive
- Archaic
9.9
A cone-shaped part in old clocks that keeps spring power steady as it unwinds
Surface Forms
Etymology
Fusee comes from the French fusée, which means 'spindle' — a tapered stick used in old clocks to control a spring. So a fusee is the spiral spindle that evens out the spring's power and helps the clock keep steady time.
