perestroika

IPA: pɛrʌstrˈɔɪkʌ

(historical, uncountable) A program of political and economic reform carried out in the Soviet Union in the 1980s and early 1990s under the leadership of Mikhail Gorbachev.
(historical, uncountable) The period of time in the Soviet Union during which these reforms were carried out and in effect.
(countable, singularity theory) A situation where a small variation of parameters leads to a sudden change in properties.

Examples of "perestroika" in Sentences

Perestroika was the Soviet Union's policy of restructuring and reforming their communist system in the late 1980s
The implementation of perestroika led to significant changes in the Soviet economy and political structure
Many people had high hopes for perestroika, believing it would bring greater freedom and prosperity to the country
Despite initial optimism, perestroika ultimately failed to save the Soviet Union from collapse in 1991
The legacy of perestroika continues to be debated among historians and political analysts