volatility

noun
1
the quality in a person of changing easily from one mood to another
نوسان عاطفی, نوسان خلق, بی‌قراری
2
the quality in a situation of being likely to change suddenly
بی‌ثباتی, ناپایداری, تغییرپذیری, نوسان
The economy is set to recover, despite recent stock market volatility.
synonym instability(1)
3
the quality in a substance of changing easily into a gas
فرّاریّت, تمایل به تبخیر, قابلیت تبخیر, تبخیرپذیری
The cold reduces the volatility of the substance.