excited state


Definition of excited state

: a state of a physical system (such as an atomic nucleus, an atom, or a molecule) that is higher in energy than the ground state

Examples of excited state in a Sentence

Recent Examples on the Web Vilke said that people in Prude’s excited state often die with or without restraint, and that being restrained from further exertion had actually helped him. BostonGlobe.com, 2 Oct. 2021 When a team of experimentalists at Caltech’s Kellogg Radiation Laboratory verified that such a carbon-12 excited state existed in nature, Hoyle’s hunch was splendidly confirmed. Paul Halpern, Scientific American, 18 Aug. 2021 The system transitions by passing through a mixture of the excited state and ground state, a quantum phenomenon known as superposition. Eleni Petrakou, Scientific American, 29 Dec. 2020 Thorium-229 is special among isotopes because of the extremely low energy of its lowest excited state, meaning it’s the best candidate for a measurable standard that can be used to make a practical clock. Caroline Delbert, Popular Mechanics, 12 Oct. 2020 All the excess electrons knock the plasma molecules into an excited state, which then emit photons to produce that telltale glow. Jennifer Ouellette, Ars Technica, 20 Aug. 2020 Related Stories Several years ago, researchers began to make these diodes using copper in a similar excited state to the way precious metals work in PHOLEDs. Caroline Delbert, Popular Mechanics, 5 May 2020 Our current understanding of the triple-alpha process largely came from astronomer Fred Hoyle, who famously predicted, in 1954, that a special excited state of carbon-12 must arise during synthesis . Ling Xin, Scientific American, 19 Mar. 2020 By choosing the energy of the protons correctly, Beryllium in a particular excited state is produced, which quickly decays back to its ground state by emitting an electron and a positron. Chris Lee, Ars Technica, 20 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'excited state.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of excited state

1927, in the meaning defined above

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Time Traveler for excited state

Time Traveler

The first known use of excited state was in 1927

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Cite this Entry

“Excited state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/excited%20state. Accessed 20 Jan. 2022.

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Britannica.com: Encyclopedia article about excited state


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