Dictionary

energy level

energy level

noun

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

First Known Use of ENERGY LEVEL

1910

Browse

Next Word in the Dictionary: energy spectrumPrevious Word in the Dictionary: energy efficiency ratioAll Words Near: energy level
February 27, 2015
rationale Hear it
An explanation or underlying reason
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears