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Added 10 October 2026

undulation

noun

Latin root: undulātiō Wiktionary

noun Definition from WordNet 3.1, Princeton University. More about undulation at Wordnik → Where our words come from →

An undulating curve.
Wavelike motion; a gentle rising and falling in the manner of waves.
(physics) a movement up and down or back and forth.

Origin

From undulate + -ion, or borrowed from Medieval Latin undulātiō; compare French ondulation.

From Wiktionary, via Kaikki.org (CC BY-SA)

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