ə̇mˈpirēəˌlizəm, -pēr- noun
( -s )
1.
a. : the power or the government of an emperor : imperial authority : an imperial system
the imperialism of Caesar
educational imperialism — Current Biography
b. : an imperial quality
with dramatic imperialism and disarming gentility … the epitome of mysterious womanhood — Louis Mace
2.
a. : the policy, practice, or advocacy of seeking or the acquiescing in the extension of the control or empire of a nation by the acquirement of new territory or dependencies especially when lying outside the nation's natural boundaries, by the extension of its rule over other races of mankind (as where commerce demands the protection of the flag), or by the closer union of more or less independent parts (as for war, copyright, or internal commerce)
b. : any extension of power or authority or an advocacy of such extension
union imperialism — S.H.Slichter
cultural imperialism