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Instability vs Fluctuation - What's the difference?

instability | fluctuation |

As nouns the difference between instability and fluctuation

is that instability is the quality of being unstable while fluctuation is a motion like that of waves; a moving in this and that direction.

instability

English

Noun

(wikipedia instability)
  • (uncountable) The quality of being unstable.
  • (physics, countable) A state that is not in equilibrium, or in which a small change has a large irreversible effect.

    • Synonyms

    * volatility

    Related terms

    * instable * stability

    See also

    * disequilibrium

    fluctuation

    English

    Noun

    (en noun)
  • A motion like that of waves; a moving in this and that direction.
    • the fluctuations of the sea
  • A wavering; unsteadiness.
    • fluctuations of opinion
    fluctuations of prices
  • In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.

    • Related terms

    * fluctuate