Evaporating or vaporizing readily under normal conditions.
Of a substance, explosive.
Of a price, variable or erratic.
Its pricing is highly volatile — and therefore highly risky. For all its nosebleed ascents, bitcoin also has had some gut-punching plunges. Between November 2021 and November 2022, for example, the price of bitcoin dropped 75%, from $64,455 to $16,196, according to data on coinmarketcap.com.
A chemical or compound that changes into a gas easily.
A variable that is volatile, i.e. has its associated memory immediately updated with any change in value.
Operations on C++ volatiles do put the compiler on notice that the object may be modified asynchronously, and hence are generally safer to use than ordinary variable accesses.
From Middle French volatile, from Latin volātilis (“flying; swift; temporary; volatile”), from volō (“I fly”).
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