undulation

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

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This entry was last updated on RefTopia from its source on 3/20/2012.