noun
non-volatility
Technical term used in chemistry, computing, and materials science to describe substances or memory that do not readily evaporate or lose data when power is off.
この物質は不揮発性なので、常温で蒸発しにくい。
This substance is non-volatile, so it does not evaporate easily at room temperature.
不揮発性
Non-volatile memory retains data even when the power is turned off.