Volatility
Part of speech: noun
Definition: The state of being volatile # The state of having a low boiling point and evaporating readily # The state of not retaining data in the absence of power # The state of being able to fly # The state of being unpredictable # (Financial markets, countable, plural volatilities) A quantification of the degree of uncertainty about the future price of a commodity, share, or other financial product
Example sentence: Fear tends to manifest itself much more quickly than greed, so volatile markets tend to be on the downside. In up markets, volatility tends to gradually decline.
Excitability
Part of speech: noun
Definition: The state of being excitableA measure of how easy something is to excite