energy level

American  

[en-er-jee lev-uhl] / ˈɛn ər dʒi ˌlɛv əl /

noun

1. a comparative level of capacity for vigorous activity.

   The child has a high energy level.

2. 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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energy level British  

noun

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

2. 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

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Etymology

Origin of energy level

First recorded in 1905–10

Example Sentences

This kind of disturbance could account for the extreme energy levels Voyager 2 measured.

From Science Daily

He gamely saved four set points at 3-5 but with his energy levels dropping was unable to save a fifth as the Spaniard took control.

From Barron's

"So they come back to work with high energy levels and they can do these four days very efficiently."

From BBC

These high energy levels come close to destroying the material while still producing only modest changes.

From Science Daily

This will offer therapies including as cryotherapy, or extreme cold treatment, which is marketed as boosting energy levels and enhancing skin tone.

From BBC