ex·​ci·​ta·​tion | \ ˌek-ˌsī-ˈtā-shən How to pronounce excitation (audio) , ˌek-sə- \

Definition of excitation

: excitement especially : the disturbed or altered condition resulting from stimulation of an individual, organ, tissue, or cell

Examples of excitation in a Sentence

Recent Examples on the Web Neural networks stay nimble by finding the right balance between inhibition and excitation. Max G. Levy, Wired, 22 Nov. 2021 Possible symptoms from the medication include excitation and depression. Yoni Heisler, BGR, 18 Oct. 2021 Too little endocannabinoid signaling results in excessive excitation of the nervous system, and this can promote anxiety disorders, impulsivity and epilepsy. R. Douglas Fields, Scientific American, 20 Oct. 2017 The mind was a machine, something like a battery that built up excitation only to discharge it — in a great rush of relief — through the nervous system’s complicated coils. Washington Post, 26 Feb. 2021 In the case of Europa, the excitation energy doesn't come from light, but that energy is indirectly powered by Jupiter's magnetic fields. John Timmer, Ars Technica, 10 Nov. 2020 Another possible explanation for horror films’ positive effects is the excitation transfer theory popularized by Dolf Zillmann, dean emeritus and professor of information sciences, communication and psychology at the University of Alabama. Nicole Johnson, National Geographic, 30 Oct. 2020 In behavioral studies, the team found that this excitation was in full swing in the posterior amygdala neurons projecting into the MPN during mating. Emily Willingham, Scientific American, 3 Aug. 2020 When a group of atomic nuclei vibrate, their collective excitation is instead called a phonon. Daniel Garisto, Scientific American, 9 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'excitation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of excitation

14th century, in the meaning defined above

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Time Traveler for excitation

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The first known use of excitation was in the 14th century

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Last Updated

26 Nov 2021

Cite this Entry

“Excitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/excitation. Accessed 17 Jan. 2022.

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More Definitions for excitation


ex·​ci·​ta·​tion | \ ˌek-ˌsī-ˈtā-shən How to pronounce excitation (audio) , ˌek-sə- How to pronounce excitation (audio) \

Medical Definition of excitation

: excitement: as
a : the disturbed or altered condition resulting from arousal of activity (as by neural or electrical stimulation) in an individual organ or tissue
b : the arousing of such activity

More from Merriam-Webster on excitation

Nglish: Translation of excitation for Spanish Speakers

Britannica.com: Encyclopedia article about excitation


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