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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.

See Examples For:

Because this encounter can take several nanoseconds, a long lasting excited state is essential.

From Science Daily Nov. 26, 2025

The former can attack solvent molecules that are already close to complex before the light excitation, while the latter excited state exists long enough to attack aromatic substrates after diffusional collision.

From Science Daily Feb. 9, 2024

"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

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

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