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English definition of “breakthrough”

breakthrough

noun [C]
 
 
/ˈbreɪkθruː/
an important discovery or event that helps to improve a situation or provide an answer to a problem: breakthrough in sth The development of digital imagery was a breakthrough in computer technology.achieve/make a breakthrough At last a breakthrough in negotiations has been achieved. a major/real/significant breakthrough
(Definition of breakthrough from the Cambridge Business English Dictionary © Cambridge University Press)
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