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  1. Dictionary
    breakthrough
    /ˈbreɪkθruː/

    noun

    • 1. a sudden, dramatic, and important discovery or development: "a major breakthrough in DNA research"

    More definitions, origin and scrabble points

  2. 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. Fewer examples. This drug has been heralded as a major breakthrough in the fight against breast cancer.

  3. The meaning of BREAKTHROUGH is a sudden advance especially in knowledge or technique. How to use breakthrough in a sentence.

  4. any significant or sudden advance, development, achievement, or increase, as in scientific knowledge or diplomacy, that removes a barrier to progress: The jet engine was a major breakthrough in air transport.

  5. a significant development or discovery, esp in science. a major scientific breakthrough. the test is a breakthrough in the early diagnosis of disease. The company looks poised to make a significant breakthrough in China. This year we made a breakthrough in speed and functionality.

  6. 4 meanings: 1. to penetrate 2. to achieve success, make a discovery, etc, esp after lengthy efforts breakthrough 3. a.... Click for more definitions.

  7. BREAKTHROUGH definition: an important discovery or development that helps solve a problem: . Learn more.

  8. An amazing discovery or a huge amount of progress can be called a breakthrough. The discovery of penicillin in 1928 was a breakthrough for modern medicine. A personal breakthrough might be overcoming your fear of spiders once and for all.

  9. Definition of breakthrough noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. breakthrough. From Longman Dictionary of Contemporary English break‧through /ˈbreɪkθruː/ noun [countable] an important new discovery in something you are studying, especially one made after trying for a long time breakthrough in Scientists have made a major breakthrough in the treatment of cancer. → break through1 see thesaurus at ...

  11. n. 1. a significant or sudden advance, development, etc., as in scientific knowledge. 2. an act or instance of removing or surpassing an obstruction or restriction. 3. a military advance through and beyond an enemy's defense. [1915–20]