undulation
noun
un·du·la·tion
| \ ˌən-jə-ˈlā-shən
, ˌən-dyə-, ˌən-də-\
, 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
Compared to most courses in the Open rotation, Portrush has far more undulations. — Los Angeles Times, "J.B. Holmes takes British Open lead with Brooks Koepka lurking," 18 July 2019 These have a few more undulations and a few more blind shots. — Doug Ferguson, baltimoresun.com, "Defending British Open champ Francesco Molinari returns claret jug, faces long odds getting it back," 16 July 2019 Schrödinger’s theory represented quantum particles in terms of wavelike entities called wave functions, which changed only smoothly and continuously over time, like gentle undulations on the open sea. — Philip Ball, WIRED, "Physicists See a Quantum Leap, Halt It, and Reverse It," 9 June 2019 Schrödinger’s theory represented quantum particles in terms of wavelike entities called wave functions, which changed only smoothly and continuously over time, like gentle undulations on the open sea. — Wired, "Physicists See a Quantum Leap, Halt It, and Reverse It," 9 June 2019 These have a few more undulations and a few more blind shots. — Doug Ferguson, SFChronicle.com, "Francesco Molinari faces hard task of reclaiming Claret Jug," 15 July 2019 The fickle undulations between city blocks could mean the difference between survival and retreat, and the rising cost of altitude is sparking a noticeable shift in community activism and municipal budgets. — Bill Weir, CNN, "Miami's Little Haiti wasn't a target for developers. Until the seas started to rise.," 11 July 2019 The detection of these feeble undulations in the fabric of space and time by the Laser Interferometer Gravitational-Wave Observatory (LIGO) was said to have opened a new ear on the cosmos. — Quanta Magazine, "New Studies Rescue Gravitational-Wave Signal From the Noise," 13 Dec. 2018 Still, Petrobras remains vulnerable to political undulations. — The Economist, "Latin America’s state-run oil giants are struggling," 12 July 2019These 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.
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