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boring bar

noun
1.
Metalworking. a bar holding a tool for boring a cylinder or the like.
Origin
1835-1845
1835-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for boring bar
  • The coolant discharges from the boring bar through a telescopic coolant tube into a cyclone, which reduces velocity.
  • Mud rings which form on kiln walls near the discharge end are removed periodically with a boring bar.

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