center wheel
nounHorology.
the wheel driving the minute and hour hands of a timepiece.
Origin of center wheel
1First recorded in 1880–85
Words Nearby center wheel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use center wheel in a sentence
The center wheel must revolve once in each hour, which is 61⁄2 times faster than the barrel.
The Wonder Book of Knowledge | VariousThe chief business of the third wheel is to make the fourth turn in the same direction as the center wheel.
Makers of Many Things | Eva March TappanCenter StaffThe arbor attached to the center wheel which carries the minute hand.
Time Telling through the Ages | Harry Chase BrearleyThird WheelThe wheel in the train between the center wheel and the fourth wheel.
Time Telling through the Ages | Harry Chase BrearleyThis uniformity of freedom will be found absent in cheaper watches; for instance, a center wheel may have 0.02 mm.
Rules and Practice for Adjusting Watches | Walter J. Kleinlein
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