Dictionary

breakthrough

noun, break·through often attributive \ˈbrāk-ˌthrü\

: a sudden increase in knowledge, understanding, etc. : an important discovery that happens after trying for a long time to understand or explain something

: a person's first important success

Full Definition of BREAKTHROUGH

1
:  an offensive thrust that penetrates and carries beyond a defensive line in warfare
2
:  an act or instance of breaking through an obstacle <a breakthrough agreement>
3
a :  a sudden advance especially in knowledge or technique <a medical breakthrough>
b :  a person's first notable success <a breakthrough novel>
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Examples of BREAKTHROUGH

  1. Researchers say they have made a major breakthrough in cancer treatment.
  2. The police have announced a breakthrough in the murder case.
  3. This job could be the breakthrough she's been waiting for.

First Known Use of BREAKTHROUGH

1918
BREAKTHROUGH Defined for Kids

breakthrough

noun break·through \ˈbrāk-ˌthrü\

Definition of BREAKTHROUGH for Kids

:  a sudden advance or successful development <a breakthrough in medical research>

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