energy level

noun

: one of the stable states of constant energy that may be assumed by a physical system
used especially of the quantum states of electrons in atoms and of nuclei

called also energy state

Examples of energy level 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.
Ideally, all cat owners should play with their pets about two or three times a day, for at least 10 to 15 minute each session, depending on the cat's age and energy level. Josh Hammer, MSNBC Newsweek, 1 Apr. 2025 Coffee is rich in antioxidants and can boost focus and energy levels. Lindsey Desoto, Health, 31 Mar. 2025 The increase in sunlight boosts serotonin levels and vitamin D production, which enhances mood and energy levels. Tribune Content Agency, Mercury News, 25 Mar. 2025 This is because these lasers have a broader range of wavelengths, or energy levels. Brigitt Earley, Glamour, 10 Mar. 2025 See All Example Sentences for energy level

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of energy level was in 1902

Cite this Entry

“Energy level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/energy%20level. Accessed 12 Apr. 2025.

Kids Definition

energy level

noun
: one of the stable states of constant energy that may be assumed by a physical system
used especially of the states of electrons in atoms

More from Merriam-Webster on energy level

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