energy level


Definition of energy level 

: 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

Stress hormones and chemicals are released that increase heart rate, blood pressure, alertness and energy levels. Washington Post, "Science Says: How family separation may affect kids’ brains," 28 June 2018 Some of his research has found that slouching promotes low mood and decreased energy levels. Markham Heid, Time, "Easy Ways to Actually Improve Your Posture," 4 Apr. 2018 This time, the rover’s energy level is believed to be much lower. Washington Post, "NASA rover knocked out as gigantic dust storm envelops Mars," 13 June 2018 Over the past two games, the Pacers' usual energy level has been missing. Clifton Brown, Indianapolis Star, "Pacers fall behind Magic by 21, then engineer a thrilling comeback," 27 Jan. 2018 Use your energy level to determine when to reach out to people. Kimberly Thompson, Houston Chronicle, "Career Rescue: Job networking is learned behavior," 17 June 2018 As exercise times increases, so do energy levels and the ability to focus. Joan Westlake, azcentral, "Motivating healthy actions," 10 May 2018 The chip can count the photons hitting each pixel and determine their energy level. Jason Daley, Smithsonian, "Check Out These Awesome New 3D, Full-Color X-Rays," 13 July 2018 The adaptogenic ingestible supplement harnesses super-herbs and mushrooms to combat stress, treat fatigue, and restore energy levels. Jenna Rennert, Vogue, "14 Red, White and Blue Beauty Products for Fourth of July," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'energy level.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of energy level

1910, in the meaning defined above

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Last Updated

7 Sep 2018

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Time Traveler for energy level

The first known use of energy level was in 1910

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one that holds something together

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