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Definitions

excitation

[ek-sahy-tey-shuhn, -si-] / ˌɛk saɪˈteɪ ʃən, -sɪ- /


Example Sentences

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They also carry oscillating energy from their initial excitation, which influences nearby electrons at adjustable frequencies.

From Science Daily • Jan. 22, 2026

For example, the chlorophyll pigment in D1 has an excitation state at a lower energy than its D2 counterpart, suggesting that the D1 pigment has a better chance of attracting and transferring electrons.

From Science Daily • Oct. 13, 2025

They found that during sleep, both excitatory and inhibitory connections in the brain become weaker, but they do so asymmetrically, making inhibitory connections weaker than excitatory connections, which causes an increase in excitation.

From Science Daily • Nov. 22, 2024

A genetic disorder leads to an increase in bioactive lipids in the brain, resulting in an imbalance between excitation and inhibition in neural circuits and promoting mental disorders.

From Science Daily • Jun. 6, 2024

Mr. Gitney and Mr. Sharpe sat across from us, clearly disordered by an excitation of nerves almost as extreme as my own.

From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume I: The Pox Party" by M.T. Anderson