Meaning of “breakthrough” in the English Dictionary

british dictionary

"breakthrough" in British English

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breakthroughnoun [ C ]

uk /ˈbreɪk.θruː/ us /ˈbreɪk.θruː/

B2 an important discovery or event that helps to improve a situation or provide an answer to a problem:

Scientists are hoping for a breakthrough in the search for a cure for cancer.
A major breakthrough in negotiations has been achieved.

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(Definition of “breakthrough” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"breakthrough" in American English

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breakthroughnoun [ C ]

us /ˈbreɪkˌθru/

an important discovery or development that helps to solve a problem:

The Polaroid camera was a technological breakthrough.

(Definition of “breakthrough” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"breakthrough" in Business English

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breakthroughnoun [ C ]

uk /ˈbreɪkθruː/ us

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)