quantum jump

noun

1
: an abrupt transition (as of an electron, an atom, or a molecule) from one discrete energy state to another
2

Examples of quantum jump in a Sentence

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.
The concept of a quantum jump has been around for more than a 100 years, with theoretical physicist Niels Bohr being the first to propose it in 1913. — Ameya Paleja, Interesting Engineering, 17 Sep. 2026 Did Tyson do a quantum jump to conclusions without a physical exam or Santa’s medical records? — Bruce Y. Lee, Forbes, 25 Dec. 2021 The connection can be weak, in which case a quantum jump can also be predictable through the pause in clicks from the qubit’s side activity, in the way used by the Yale experiment. — Eleni Petrakou, Scientific American, 29 Dec. 2020 The Uk can make a quantum jump to a square two squares above and one square to the left or right. — Quanta Magazine, 6 Feb. 2020 See All Example Sentences for quantum jump

Word History

First Known Use

1926, in the meaning defined at sense 1

Time Traveler
The first known use of quantum jump was in 1926

Browse Nearby Words

Cite this Entry

“Quantum jump.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20jump. Accessed 3 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster