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breakthrough - definition and synonyms

 
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noun [countable] breakthrough pronunciation in British English /ˈbreɪkθruː/
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singularbreakthrough
pluralbreakthroughs
  1. 1
    a discovery or achievement that comes after a lot of hard work
    Detectives are still waiting for a breakthrough in their investigations.
    Scientists predict a major breakthrough within six months.
  2. 2
    a time when you begin to be successful at something
    The breakthrough came in the 20th minute with a header from Barnes.
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