u ‧ ni ‧ fi ‧ ca ‧ tion AC /ˌjuːnəfəˈkeɪʃ ə n, ˌjuːnɪfəˈkeɪʃ ə n/ BrE AmE noun [uncountable]
[ Word Family: verb : ↑ unify ; noun : ↑ unification ]
the act of combining two or more groups, countries etc to make a single group or country
unification of
the unification of Germany