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
Mid-air, C. ornata executes lateral undulations — wave-like body motions — that fine-tune lift and direction.
—
Scott Travers, Forbes.com, 31 May 2025
And there’s an undulation that resembles a female orgasm that steps away from this 1-2-3, punch of the climax and a sigh of relief in the last five minutes, and the movie’s over.
—Anne Thompson, IndieWire, 18 May 2025
The greens are large and feature a lot of undulation, so lag putting and three-putt avoidance are factors.
—Dennis Esser, New York Times, 8 Apr. 2025
Through it all, there’s the metronomic wash of the tides onto the sand, waves lapping the beach, the undulation of the ocean, and the cityscape of Rockaway, with its large apartment buildings and detached houses, in the background.
—Richard Brody, New Yorker, 13 May 2025
See All Example Sentences for undulation
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Scott Travers, Forbes.com, 31 May 2025
And there’s an undulation that resembles a female orgasm that steps away from this 1-2-3, punch of the climax and a sigh of relief in the last five minutes, and the movie’s over.
—Anne Thompson, IndieWire, 18 May 2025
The greens are large and feature a lot of undulation, so lag putting and three-putt avoidance are factors.
—Dennis Esser, New York Times, 8 Apr. 2025
Through it all, there’s the metronomic wash of the tides onto the sand, waves lapping the beach, the undulation of the ocean, and the cityscape of Rockaway, with its large apartment buildings and detached houses, in the background.
—Richard Brody, New Yorker, 13 May 2025
See All Example Sentences for undulation
Cite this Entry
“Undulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undulation. Accessed 30 Jun. 2025.
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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