Definition of volatility noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌvɒləˈtɪləti//
    ; NAmE NAmE//ˌvɑːləˈtɪləti//
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  1. 1(often disapproving) the quality in a person of changing easily from one mood to another There was concern about the father's volatility.
  2. 2the quality in a situation of being likely to change suddenly synonym instability (1) Diverse investments can protect against market volatility.
  3. 3(specialist) the quality in a substance of changing easily into a gas The cold reduces the volatility of the substance.