naturalization
🇺🇸
/ˌnætʃrələˈzeɪʃn/
🇬🇧
/ˌnætʃrəlaɪˈzeɪʃn/
The process of becoming a legal citizen of a country where you were not born.
She went through the naturalization process to become a US citizen.
彼女は入籍手続きを経て、米国市民になりました。
The process of a non-native plant or animal becoming established in a new environment.
The naturalization of this exotic plant has caused an ecological imbalance in the area.
この外来植物の自然化が、その地域の生態系のバランスを乱しました。