Someone who might get violent or may move from nice to nasty. Just like a volcano.
personality
the liquid which do not evaporate easily
Having a multi-faceted personality means one's personality has many layers or aspects.
Ego, is another word for personality
Personality is a noun which is defined as being a person's character or traits. The opposite of personality nobody or lifeless.
Gregory Blaxland was a very volatile personality. Always a turbulent and erratic-tempered man, he committed suicide by hanging himself.
RAM is a volatile Memory. But ROM is not volatile.
Throughout his life, Blaxland was a very volatile personality, given to moods. It was, unfortunately, the nature of his personality, and in those days, there were no psychologists and psychiatrists to help.
volatile will evaporate
DRAM is volatile.
volatile will evaporate
Non-volatile
DRAM is a volatile memory
DRAM is a volatile memory
Volatile
ROM is non-volatile memory.
Uranium is a non-volatile solid metal.