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Definitions

breakthrough

[breyk-throo] / ˈbreɪkˌθru /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The breakthrough traces back to an unexpected moment during a neurobiology course at the Marine Biological Laboratory in Massachusetts.

From Science Daily • Apr. 1, 2026

Earlier this year, the Bronx-born Dominican actor reprised her breakthrough TV role as Carla Espinosa on the reboot of the beloved ABC medical sitcom, “Scrubs.”

From Los Angeles Times • Mar. 31, 2026

Amir Salek, senior managing director at Cerberus Capital Management, said he was convinced PrismML achieved a major mathematical breakthrough with the potential to improve the economics of AI.

From The Wall Street Journal • Mar. 31, 2026

At the back, there was a breakthrough of sorts for Aston Martin as they finished a race for the first time.

From BBC • Mar. 29, 2026

Theoretical breakthrough that it was, complementarity did nothing to resolve the paradoxical results emanating from the atomic nucleus.

From "Big Science" by Michael Hiltzik