energy level

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noun

a comparative level of capacity for vigorous activity: The child has a high energy level.

Also called energy state .Physics. one of a quantized series of states in which matter may exist, each having constant energy and separated from others in the series by finite quantities of energy.

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Origin of energy level

First recorded in 1905–10

Words nearby energy level

energy crop, energy density, energy drink, energy efficiency ratio, energy gap, energy level, energy obesity, energy-smart, Energy Star Program, enervate, enervated

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use energy level in a sentence

If your intention is to feel your best, be mindful of how different foods affect your mood and energy levels.
There Are No Rules for Healthy Eating|Christine Byrne|January 22, 2021|Outside Online
Orbital energy levels depend on both this constant and the charge radius of the proton.
A Breakthrough in Measuring the Building Blocks of Nature - Facts So Romantic|Subodh Patil|January 8, 2021|Nautilus
The researchers used infrared light to set bifluoride ions vibrating and measured the hydrogen atoms’ response, revealing a series of energy levels at which the hydrogen atoms vibrated.
This weird chemical bond acts like a mash-up of hydrogen and covalent bonds|Emily Conover|January 7, 2021|Science News
This will help you get your butt out the door, even on the coldest days, and it will encourage you to consume what you’ve got, keeping your energy levels topped off.
Want to Get Outside All Winter? Bring Your Thermos.|AC Shilton|November 29, 2020|Outside Online

The wavelength — distance between waves — determines energy level.
Explainer: How photosynthesis works|Bethany Brookshire|October 28, 2020|Science News For Students
I think a lot of it has to do with the attitude and the energy behind it and the honesty.
‘Black Dynamite’ Presents Police Brutality: The Musical|Stereo Williams|January 9, 2015|DAILY BEAST
If she got caught with a shank, they would up her custody level.
How a ‘Real Housewife’ Survives Prison: ‘I Don’t See [Teresa Giudice] Having a Cakewalk Here’|Michael Howard|January 6, 2015|DAILY BEAST
Total oil production figures include crude oil, natural gas liquids, and other liquid energy products.
Fact-Checking the Sunday Shows: Jan. 4|PunditFact.com|January 5, 2015|DAILY BEAST
However, the Air Force is so strapped for people that the ratio has dropped below even that reduced level.
Exclusive: U.S. Drone Fleet at ‘Breaking Point,’ Air Force Says|Dave Majumdar|January 5, 2015|DAILY BEAST
“The level of outside support… has not been sufficient enough for them to distance themselves from al Nusra,” Cafarella said.
ISIS Fight Has a Spy Shortage, Intel Chair Says|Kimberly Dozier|January 2, 2015|DAILY BEAST
This is the first and principal point at which we can stanch the wastage of teaching energy that now goes on.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
Sleek finds it far harder work than fortune-making; but he pursues his Will-o'-the-Wisp with untiring energy.
The Pit Town Coronet, Volume I (of 3)|Charles James Wills
This may be done by taking the humming tone and bringing to bear upon it a strong pressure of energy.
Expressive Voice Culture|Jessie Eldridge Southwick
"Here's my authority, yuh blasted runt," he yelled, and jerked his six-shooter to a level with the policeman's breast.
Raw Gold|Bertrand W. Sinclair
It was, of course, the suppressed emotional energy finding another outlet.
The Wave|Algernon Blackwood

British Dictionary definitions for energy level

energy level

noun physics

a constant value of energy in the distribution of energies among a number of atomic particles

the energy of a quantum state of a system. The terms energy level and energy state are often used loosely to mean quantum state . This is avoided in precise communication

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for energy level

energy level

One of a set of states of a physical system associated with a range of energies. Electrons in an atom, for example, can shift between the different energy levels corresponding to orbitals in different shells. Also called energy state