perestroika
Concise Oxford English Dictionary © 2008 Oxford University Press:
perestroika /ˌpɛrɪˈstrɔɪkə/
▶noun (in the former Soviet Union) the policy or practice of reforming the economic and political system, practised in the 1980s under Mikhail Gorbachev.
– origin Russ., lit. ‘restructuring’.
'perestroika' also found in these Oxford entries:

