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
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But is one better for sleep and energy levels? Simon Spichak, Health, 7 Oct. 2025 The one large task moves the needle forward at a peak time in the day, the three medium tasks feel easier after accomplishing the first one, and the five small tasks are quick to check off the list as energy levels begin to dip. Mary Cornetta, Better Homes & Gardens, 2 Oct. 2025 As training camp has gone on, Rielly’s energy levels haven’t dissipated. Joshua Kloke, New York Times, 2 Oct. 2025 Patients are then monitored closely for outcomes, with the aim of improving mobility, reducing pain, and enhancing energy levels and overall health. Nia Bowers, USA Today, 2 Oct. 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 10 Oct. 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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