term time
US /ˈtɜːrm taɪm/
UK /ˈtɜːrm taɪm/

1.
lesperiode, semester
the period during which a university, college, or school is open and instruction is given
:
•
Students usually go home during the holidays, but stay at university during term time.
Studenten gaan meestal naar huis tijdens de vakanties, maar blijven op de universiteit tijdens de lesperiode.
•
During term time, the library is open until midnight.
Tijdens de lesperiode is de bibliotheek open tot middernacht.