undulation
noun
un·du·la·tion
ˌən-jə-ˈlā-shən 
ˌən-dyə-,
ˌən-də-
1
a
: a rising and falling in waves
b
: a wavelike motion to and fro in a fluid or elastic medium propagated continuously among its particles but with little or no permanent translation of the particles in the direction of the propagation : vibration
2
: the pulsation caused by the vibrating together of two tones not quite in unison
3
: a wavy appearance, outline, or form : waviness
Examples of undulation in a Sentence
Recent Examples on the Web
Fletcher has felt undulations himself, after taking charge of United in the immediate wake of Amorim’s sacking, drawing at Burnley and losing against Brighton & Hove Albion in the FA Cup.
—
Laurie Whitwell, New York Times, 13 May 2026
The Japanese architect Sou Fujimoto took his inspiration from the light filtering through the surrounding trees and the undulations of sound waves to make something quietly sublime.
—Joshua Levine, Travel + Leisure, 7 Apr. 2026
And these waves, the undulations on the surface of this water, propagate through the water.
—Dina Genkina, IEEE Spectrum, 22 Jan. 2026
But in the fluctuating undulations of awards season, a good speech at the Globes can really boost an Oscar campaign.
—Jake Coyle, Chicago Tribune, 11 Jan. 2026
See All Example Sentences for undulation
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Laurie Whitwell, New York Times, 13 May 2026
The Japanese architect Sou Fujimoto took his inspiration from the light filtering through the surrounding trees and the undulations of sound waves to make something quietly sublime.
—Joshua Levine, Travel + Leisure, 7 Apr. 2026
And these waves, the undulations on the surface of this water, propagate through the water.
—Dina Genkina, IEEE Spectrum, 22 Jan. 2026
But in the fluctuating undulations of awards season, a good speech at the Globes can really boost an Oscar campaign.
—Jake Coyle, Chicago Tribune, 11 Jan. 2026
See All Example Sentences for undulation
Cite this Entry
“Undulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undulation. Accessed 20 May. 2026.
Copy CitationKids Definition
undulation
noun
un·du·la·tion
ˌən-jə-ˈlā-shən
ˌən-d(y)ə-
1
: the action of undulating
2
: a wavy appearance or form : waviness
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