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Pronunciation varies by accent · noun
(mechanical engineering) A ring with a groove in which rolling elements (such as balls) ride, forming part of a rolling-element bearing (for example, a ball bearing)..
Home-made scooters could be special affairs made in carpenters' shops, or they could be made by boys with two rough-hewn pieces of wood put together with ball-races for the wheels.
Use ballrace when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ballrace means (mechanical engineering) A ring with a groove in which rolling elements (such as balls) ride, forming part of a rolling-element bearing (for example, a ball bearing)..
Common synonyms include race.
The opposite depends on the specific sense.
Home-made scooters could be special affairs made in carpenters' shops, or they could be made by boys with two rough-hewn pieces of wood put together with ball-races for the wheels.
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