no ‧ ti ‧ fi ‧ ca ‧ tion /ˌnəʊtəfəˈkeɪʃ ə n, ˌnəʊtɪfəˈkeɪʃ ə n $ ˌnoʊ-/ BrE AmE noun [uncountable and countable] formal
official information about something
prior/advance notification
I was given no prior notification.
notification of
You should receive notification of the results within a week.
official/written/formal notification
We received official notification that Harry was missing.