quantum leap

noun

plural quantum leaps
: an abrupt change, sudden increase, or dramatic advance

Note: Quantum leap is rarely used in scientific contexts, but it originated as a synonym of quantum jump, which describes an abrupt transition (as of an electron, an atom, or a molecule) from one discrete energy state to another.

Examples of quantum leap in a Sentence

Prices have taken a quantum leap upward. The new drug is a quantum leap in the fight against cancer.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Consolidating Your Collection The quantum leap is always a big step. Allen Farmelo, Robb Report, 2 Jan. 2025 Tyler Reddick has made the quantum leap from can’t miss kid to Cup Series contender in his first full season with 23XI Racing. Rich Thompson, Boston Herald, 8 June 2024 Google's quantum leap Alphabet’s new Willow quantum chip showcases cutting-edge innovation. Benzinga, Detroit Free Press, 14 Dec. 2024 Playoff expansion is undeniably a quantum leap forward for the sport, but the process needs tweaks. Jon Wilner, The Mercury News, 10 Dec. 2024 See all Example Sentences for quantum leap 

Word History

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of quantum leap was in 1956

Dictionary Entries Near quantum leap

Cite this Entry

“Quantum leap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20leap. Accessed 11 Jan. 2025.

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