ground state

noun

Definition of ground state

: the state of a physical system (as of an atomic nucleus or an atom) having the least energy of all the possible states

called also ground level

Examples of ground state in a Sentence

Recent Examples on the Web Eventually, those electrons will make their most energetic transition: to the ground state. Ethan Siegel, Forbes, 13 May 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 Nearly 20% of residents in the battle ground state are young people, among the highest rates in the country. Sarah Parvini, Los Angeles Times, 1 Nov. 2020 For the electron in hydrogen to be excited from the ground state (lowest energy level) to the next level would require light with a 122 nanometer wavelength. Rhett Allain, Wired, 26 Sep. 2020 Florida is Trump’s biggest battle ground state and Cubans make an import voting bloc for the president. Eileen Kelley, sun-sentinel.com, 20 Sep. 2020 The fact that the ground state of the system was uniquely specified by that energy took care of the rest. Spyridon Michalakis, Scientific American, 1 Aug. 2020 In essence, the symmetry of the interaction is broken by the ground state. Adrian Cho, Science | AAAS, 30 Mar. 2020 Kentucky is a stand-your-ground state, which allows deadly force when someone is violently attacked. NBC News, 23 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ground 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 ground state

1926, in the meaning defined above

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Time Traveler for ground state

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The first known use of ground state was in 1926

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Statistics for ground state

Last Updated

27 May 2021

Cite this Entry

“Ground state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ground%20state. Accessed 15 Jun. 2021.

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More from Merriam-Webster on ground state

Britannica.com: Encyclopedia article about ground state

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