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English definition of “bore”

bore

noun [C] (HOLE)    /bɔːr/ US  /bɔːr/ specialized (US usually gauge)
the space inside a pipe or tube, or the diameter (= measurement across the widest part) of this space: a narrow bore a bore of 16 millimetresProperties of circles and curves
(Definition of bore noun (HOLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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