Undulation
WordNet

noun


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

Noun



  1. an instance or act of undulating
  2. a wavy appearance or outline; waviness
  3. a tremulous tone produced by a peculiar pressure of the finger on a string
  4. a wavelike curve; a smooth and regular rise and fall
  5. a wavelike motion of the air; electromagnetic radiation
 
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