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.
As oxygen and nutrient intake diminish, energy levels quickly follow and infected children often become sleepy or unresponsive. Daryl Austin, USA Today, 8 May 2025 Natural light, especially morning sun, is a boon for your energy levels, mood, and sleep quality, Dr. Saltz says. Karla Walsh, Better Homes & Gardens, 3 May 2025 After a busy few weeks of social and professional obligations, your energy levels might start to dip once Gemini season hits. Nina Kahn, StyleCaster, 28 Apr. 2025 Highlights include Biologique Recherche spa treatments, muscle-relieving massages, private yoga and fitness sessions, and a dedicated Adventure Concierge who can design outdoor excursions to suit every interest and energy level. Shivani Vora, Forbes.com, 17 Apr. 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 15 May. 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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