breakthrough

Meanings

1. 1
   noun

   An important discovery or sudden advance that overcomes a major obstacle.

   Scientists have made a major breakthrough in the treatment of cancer.

2. 2
   adj

   Marking a major advance or success.

   The company announced a breakthrough technology that could change the industry.

From break + through. Compare German Durchbruch and Dutch doorbraak (“breakthrough”, literally “through-break”).

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