Definition of bottleneck noun from the Oxford Advanced Learner's Dictionary

     

    bottleneck

     noun
    noun
    BrE BrE//ˈbɒtlnek//
     
    ; NAmE NAmE//ˈbɑːtlnek//
     
    Motoring problems and accidents, Manufacturing
     
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  1. 1a narrow or busy section of road where the traffic often gets slower and stops He drove around the outside of the town to avoid the bottleneck in the centre. a traffic bottleneck Opponents argue that the traffic lights would cause a bottleneck at the junction. See related entries: Motoring problems and accidents
  2. 2anything that delays development or progress, particularly in business or industry synonym logjam to create/eliminate bottlenecks in the manufacturing process See related entries: Manufacturing
See the Oxford Advanced American Dictionary entry: bottleneck