pre ‧ req ‧ ui ‧ site /priːˈrekwəzət, priːˈrekwɪzət/ BrE AmE noun [countable]
formal something that is necessary before something else can happen or be done
prerequisite for/of/to
A reasonable proficiency in English is a prerequisite for the course.
pre ‧ req ‧ ui ‧ site /priːˈrekwəzət, priːˈrekwɪzət/ BrE AmE noun [countable]
formal something that is necessary before something else can happen or be done
prerequisite for/of/to
A reasonable proficiency in English is a prerequisite for the course.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012