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.
Schlossberg, who also had a three-year-old son, wrote she was shocked by the diagnosis due to her activity and energy levels. Emma Banks, InStyle, 30 Dec. 2025 Differences in schedules, energy levels, and expectations can quietly build resentment when left unaddressed. Tereza Shkurtaj, PEOPLE, 29 Dec. 2025 Each dog's personality and energy level is carefully considered with potential adopters. Spencer Wilson, CBS News, 29 Dec. 2025 Walk, jog or bike the trails, depending on your energy level and goals. Bill Bootz, Charlotte Observer, 29 Dec. 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 31 Dec. 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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