ground state

noun

: 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 When the atom interacts with, or measures, the particle, the entire system ends up in a superposition of the particle flashing and the atom absorbing this light and entering a higher energy state, and the particle not flashing and the atom remaining in its ground state. Anil Ananthaswamy, Scientific American, 25 June 2024 When cooled, these complex systems are content to settle not in their ground state, but rather at a nearby low energy level, known as a local minimum energy level. Quanta Magazine, 12 Mar. 2024 Scientists have concluded that finding a system’s ground state is hard for both classical and quantum computers. Quanta Magazine, 12 Mar. 2024 So on average the flipping takes the first qubit from its excited state to its ground state and draws energy out of the first qubit. Joseph Calamia, Discover Magazine, 19 Nov. 2019 See all Example Sentences for ground state 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ground state.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of ground state was in 1926

Dictionary Entries Near ground state

Cite this Entry

“Ground state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ground%20state. Accessed 7 Jul. 2024.

Kids Definition

ground state

noun
: the energy level of a physical system (as an atom) having the least energy of all its possible states

More from Merriam-Webster on ground state

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