Definition of undulation

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