excitation
noun
ex·ci·ta·tion
ˌek-ˌsī-ˈtā-shən 
ˌek-sə-
ˌek-sə-
: 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
When this overwhelms a cell's antioxidant defenses, cells and tissues can be damaged and electron excitation and transfer processes can be induced, leading to photon emission.
—
Ian Randall, MSNBC Newsweek, 30 May 2025
In other words, the idea that strings in different excitations and different harmonics and different configurations lead to different particles is certainly one of the amazingly beautiful predictions of string theory.
—Steven Strogatz, Quanta Magazine, 29 May 2025
Typically, it would be expected that the jet would have ejected a greater abundance of heavier elements, such as iron, especially in regions with high ionization or excitation.
—Victoria Corless, Space.com, 11 Apr. 2025
Engineers also tested and modified the flutter excitation system, which intentionally vibrates the aircraft to assess its structural response.
—IEEE Spectrum, 8 Feb. 2025
See All Example Sentences for excitation
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Ian Randall, MSNBC Newsweek, 30 May 2025
In other words, the idea that strings in different excitations and different harmonics and different configurations lead to different particles is certainly one of the amazingly beautiful predictions of string theory.
—Steven Strogatz, Quanta Magazine, 29 May 2025
Typically, it would be expected that the jet would have ejected a greater abundance of heavier elements, such as iron, especially in regions with high ionization or excitation.
—Victoria Corless, Space.com, 11 Apr. 2025
Engineers also tested and modified the flutter excitation system, which intentionally vibrates the aircraft to assess its structural response.
—IEEE Spectrum, 8 Feb. 2025
See All Example Sentences for excitation
Cite this Entry
“Excitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/excitation. Accessed 10 Jun. 2025.
Copy CitationKids Definition
excitation
noun
ex·ci·ta·tion
ˌek-ˌsī-ˈtā-shən
ˌek-sə-
: excitement sense 1
especially
: the activity or change in condition resulting from stimulation of an individual, organ, tissue, or cell
Medical Definition
excitation
noun
ex·ci·ta·tion
ˌek-ˌsī-ˈtā-shən
ˌek-sə-
ˌek-sə-
: 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
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