ˌopening ˈup BrE AmE noun
the opening up of something when something is made less restricted and more available to people:
the opening up of opportunities for women
the opening up of new areas to cultivation
ˌopening ˈup BrE AmE noun
the opening up of something when something is made less restricted and more available to people:
the opening up of opportunities for women
the opening up of new areas to cultivation
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012