|1.||[ adjective ] (chemistry) evaporating readily at normal temperatures and pressures|
"volatile oils" "volatile solvents"
|Related terms:||nonvolatile chemistry evaporable evaporable inconstant|
|2.||[ adjective ] tending to vary often or widely|
"volatile stocks" "volatile emotions"
|3.||[ adjective ] liable to lead to sudden change or violence|
"an explosive issue" "a volatile situation with troops and rioters eager for a confrontation"
|4.||[ adjective ] marked by erratic changeableness in affections or attachments|
"fickle friends" "a flirt's volatile affections"
|5.||[ noun ] (chemistry) a volatile substance; a substance that changes readily from solid or liquid to a vapor|
"it was heated to evaporate the volatiles"