noun which may take the genitive case particle 'no'
Chemistry term describing substances that do not readily react, such as inert gases or noble metals.
アルゴンは不活性ガスの一種です。
Argon is a type of inert gas.
金は化学的に不活性な金
Gold is known as a chemically inert metal.
noun which may take the genitive case particle 'no'
General term for lack of activity or reactivity; less common than the chemistry sense.
この触媒は時間が経つと不活性になる。
This catalyst becomes inactive over time.