Definition of stepping stone noun from the Oxford Advanced Learner's Dictionary

     

    stepping stone

     noun
    noun
    BrE
     
    ; NAmE
     
    Rivers and lakes
     
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  1. 1one of a line of flat stones that you step on in order to cross a stream or river See related entries: Rivers and lakes
  2. 2something that allows you to make progress or begin to achieve something a stepping stone to a more lucrative career
See the Oxford Advanced American Dictionary entry: stepping stone