Definition of rebore in English:

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Pronunciation: /rēˈbôr/
[with object]
Bore out (the cylinders of an internal combustion engine) again, typically in order to widen them.
Example sentences
  • This makes it possible to rebore bushings which have been used on the left side and reapply them on the right side, thus prolonging the life of the bearings.
  • You had to rebush the rod if the slack was excessive, or rebore the big end if it was split - all of which you hoped could be deferred until the entire affair had to be dismantled for white-lead testing.
  • At the same time the tube lines would examine new ways of peak fare pricing, new signalling, reboring tunnels and even building entirely new tubes.


Pronunciation: /ˈrēbôr/
1An act of reboring an engine’s cylinders.
Example sentences
  • On stripping the engine, it needed a rebore, 4 new pistons with rings and new bearings.
  • Rebores increase the engine displacement.
  • Can anyone recommend a reliable shop to do the rebore?
1.1An engine with rebored cylinders.
Example sentences
  • If it's a rebuild rebore, with the stock pistons, a machine shop might make the stock pistons work.
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