undulation

noun

Save Word

un·du·la·tion | \ ˌən-jə-ˈlā-shən

, ˌən-dyə-, ˌən-də- \

Definition of undulation

1a : 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 The greens are going to be running lightning quick and have a lot of undulation and wave to them. — Taylor Wilson, USA TODAY, 16 June 2022 Braces hold together the grin of a young girl on a saddle, her dress a mint-green undulation. — The New Yorker, 13 May 2022 And many greens are crowned or at least have amazing undulation, and run true. — Scott Kramer, Forbes, 8 May 2022 The Normal setting is an absolute must for routine driving around town, because not only does the car tend to copy every undulation the paving machine laid down, modest cracks and step-down joints can feel like miniature cliffs. — Dan Edmunds, Car and Driver, 22 Mar. 2022 Even with the dampers in their firmest setting, the Flying B displays its softer side as its 5050 pounds list over the undulation at more than 150 mph. — David Beard, Car and Driver, 7 Feb. 2022 The sine wave is a smooth, periodic undulation, a mathematical idealization of waves found in nature: energetic seismic waves produced by earthquakes; sonic booms propagating through air; tsunamis spreading across water. — New York Times, 14 Sep. 2021 It’s an undulation—something ranging from a wave to a nuance. — Amit Chaudhuri, Harper's Magazine, 16 Mar. 2021 And through such undulation, the Jazz have powered on, powered through. — Gordon Monson, The Salt Lake Tribune, 11 Mar. 2021 See More

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

Buying Guide

Our Reviews team has selected the best ceiling fans.