Volatility

n. state of threatening to explode; fickleness; characteristic of memory which requires a constant electrical supply in order to keep the data from being erased (Computers)

Volatility is the measure of the state of instability.Volatility (finance) frequently refers to the standard deviation of the change in value of a financial instrument with a specific time horizon. It is often used to quantify the risk of the instrument over that time period. Volatility is typically expressed in annualized terms, and it may either be an absolute number ($5) or a fraction of the initial value (5%).Volatility (chemistry) is a measure of the tendency of a liquid (or solid) to evaporate into a gaseous form. Higher volatility indicates a higher tendency to evaporate and a lower volatility means that it has a lower tendency to evaporate.
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Volatility, n the measure of a chemical's vapor pressure, which is the basis for its evaporation rate, boiling point and—if the chemical is [more]Volatility - Community and Resources

Noun
1. the property of changing readily from a solid or liquid to a vapor
(hypernym) chemical property
2. the trait of being unpredictably irresolute; "the volatility of the market drove many investors away"
(synonym) unpredictability
(hypernym) irresoluteness, irresolution
3. being easily excited
(synonym) excitability, excitableness
(hypernym) emotionality, emotionalism
(hyponym) boiling point

(n.)
Quality or state of being volatile; disposition to evaporate; changeableness; fickleness.