undulation

[uhn-juh-ley-shuh n, uhn-dyuh-, -duh-]

noun

an act of undulating; a wavelike motion.
a wavy form or outline.
one of a series of wavelike bends, curves, or elevations.
Physics.
  1. a wave.
  2. the motion of waves.

RELATED WORDS


Origin of undulation

First recorded in 1640–50; undul(ate) + -ation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of undulation



British Dictionary definitions for undulation

undulation

noun

the act or an instance of undulating
any wave or wavelike form, line, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for undulation
n.

1640s, from Medieval Latin *undulatio, from Late Latin undulatus "wavy, undulated," from undula "wavelet," diminutive of Latin unda "wave" (see water).

Online Etymology Dictionary, © 2010 Douglas Harper