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Noun: fluctuation  ,flúk-choo'ey-shun
  1. A wave motion
    "the fluctuations of the sea"
  2. An instance of change; the rate or magnitude of change
    - variation
  3. The quality of being unsteady and subject to changes
    "he kept a record of price fluctuations";
    - wavering

Derived forms: fluctuations

Type of: alteration, change, irregularity, modification, undulation, unregularity, wave

Encyclopedia: Fluctuation