Meaning of MINIMUM in English

MINIMUM

abbreviation min [adjective] [not gradable]The preparatory certificate is the minimum qualification required to teach English in most language schools.Eighteen is the minimum age for entering most nightclubs.She reckons that you should do three exercise classes a week minimum to get any of the benefits.A minimum wage is the smallest amount of money that an employer is allowed to pay someone who works for them, as permitted by law or by special agreement.

Cambridge English vocab.      Кембриджский английский словарь.