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excited state

American  

noun

Physics.
  1. any of the energy levels of a physical system, especially an atom, molecule, etc., that has higher energy than the lowest energy level.


excited state Scientific  
/ ĭk-sītĭd /
  1. A state of a physical system in which the system has more than the minimum possible potential energy. Excited states tend to be unstable and easily or spontaneously revert to lower energy states, giving off energy.

  2. Compare ground state


Etymology

Origin of excited state

First recorded in 1925–30

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

With its simple, scalable synthesis, strong light absorption, stable photophysical characteristics, and long lived excited state, the manganese-based material could support future large scale photochemical applications.

From Science Daily • Nov. 26, 2025

"This is the first time we have some measurement, some observation, which is sensitive to the 3D characteristics of such an excited state," Diehl said in an Aug. 21 release.

From Salon • Sep. 1, 2023

As a result, the lawmaker said, Prigozhin, committed treason due to "exorbitant ambitions", money and what he cast as an "excited state".

From Reuters • Jun. 29, 2023

This change means the BEC's quantum state has jumped from its ground state to its first excited state.

From Scientific American • Jun. 18, 2023

And more as a consequence of the excited state in which this idea put Gregor than as a result of an actual decision, he swung himself with all his might out of the bed.

From "The Metamorphosis" by Franz Kafka