/ˈʌdʌlt ˌɪnstɪˈtjuːʃən/ – Phrase
Definition: 1. trại giam hay trại cải tạo những tội phạm lớn tuổi;
2. bệnh viện tâm thần cho những bệnh nhân lớn tuổi (kiểu cách ly).
A more thorough explanation: An adult institution refers to a facility or organization that is designed for or primarily serves individuals who have reached the age of majority, typically 18 years old or older. These institutions may include prisons, mental health facilities, rehabilitation centers, and other similar establishments that cater to the needs of adult individuals.
Example: The defendant was sentenced to serve his time in an adult institution after being convicted of the crime.