volatile
adjective
No English definition recorded for this entry.
L253565 on Wikidata ↗noun
No English definition recorded for this entry.
L330200 on Wikidata ↗Wiktionary
Pronunciation: /ˈvɒl.əˌtaɪl/ / [ˈvɒl.əˌtʰaɪ̯l] / /ˈvɑ.lə.təl/
adj
Etymology: From Middle French volatile, from Latin volātilis (“flying; swift; temporary; volatile”), from volō (“to fly”).
- 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.”
- Of a person, quick to become angry or violent.
“a volatile man”
- Fickle.
“Now Mr. Bush plans to pour more arms into this unstable region and add fuel to the volatile powderkeg he has foolishly created.”
- Temporary or ephemeral.
- Of a situation potentially violent.
- Of a variable etc., having its associated memory immediately updated with any changes in value.
“This method stores a value into a non-volatile field called result, then stores true in the volatile field finished. The main thread waits for the field finished to be set to true, then reads the field result.”
- Of memory, whose content is lost when the computer is powered down.
- Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.
noun
Etymology: From Middle French volatile, from Latin volātilis (“flying; swift; temporary; volatile”), from volō (“to fly”).
- 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.”