What is the meaning of energy level?

noun

  • A definite stable energy that a physical system can have; used especially of the state of electrons in atoms or molecules.
    • usage: "according to quantum theory only certain energy levels are possible"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). energy level. Retrieved September 20, 2026, from http://smartdefine.org/energy_level/definitions/1235548
ChicagoWordNet. 2010. "energy level" http://smartdefine.org/energy_level/definitions/1235548 (accessed September 20, 2026).
HarvardWordNet 2010, energy level, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/energy_level/definitions/1235548>.
MLAWordNet. "energy level" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/energy_level/definitions/1235548>