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8 Wintry Words to Defrost Your Vocabulary

speed gear

noun
1.
an adjustable gear for driving a machine at various speeds.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for speed gear
  • Discovered right hand high speed gear on cutting motor was bad.
  • The wheel speed is varied by a variable-speed gear box and pulley system.

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8
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