Meaning of oscillation

os•cil•la•tion

Pronunciation: (os"u-lā'shun), [key]
— n.
  1. an act or instance of oscillating.
  2. a single swing or movement in one direction of an oscillating body.
  3. fluctuation between beliefs, opinions, conditions, etc.
    1. an effect expressible as a quantity that repeatedly and regularly fluctuates above and below some mean value, as the pressure of a sound wave or the voltage of an alternating current.
    2. a single fluctuation between maximum and minimum values in such an effect.
    1. the difference between the least upper bound and the greatest lower bound of the functional values of a function in a given interval.
    2. Also calledsaltus.the limit of the oscillation in an interval containing a given point, as the length of the interval approaches zero.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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