Look up fluctuation in Wiktionary, the free dictionary.

Fluctuation may refer to:

• Statistical fluctuations, in statistics, statistical mechanics, and thermodynamics
  • Thermal fluctuations, statistical fluctuations in a thermodynamic variable
• Quantum fluctuation, arising from the uncertainty principle
  • Primordial fluctuations, density variations in the early universe
  • Universal conductance fluctuations, a quantum physics phenomenon encountered in electrical transport experiments in mesoscopic species

• Economic conjuncture, a critical combination of events in economics
• Volatility (finance), price fluctuation

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