American English

Definition of dividing line noun from the Oxford Advanced American Dictionary

     

    dividing line

     noun
    noun
     
    [usually singular]
     
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  1. 1something that marks the separation between two things or ideas There is no clear dividing line between what is good and what is bad.
  2. 2a place that separates two areas The river was chosen as a dividing line between the two districts.
See the Oxford Advanced Learner's Dictionary entry: dividing line