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

  3. 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.

  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. 1. 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. 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]

  7. 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.

  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.

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

  10. Breakthrough definition: An act of overcoming or penetrating an obstacle or restriction.

  11. an act or instance of removing or surpassing an obstruction or restriction; the overcoming of a stalemate: The president reported a breakthrough in the treaty negotiations.