1. iron curtain - Noun
2. Iron curtain - Proper noun
an impenetrable barrier to communication or information especially as imposed by rigid censorship and secrecy; used by Winston Churchill in 1946 to describe the demarcation between democratic and communist countries
Source: WordNetFrom Stettin in the Baltic to Trieste in the Adriatic an iron curtain has descended across the Continent. Winston Churchill
But scientists on both sides of the iron curtain played a very significant role in maintaining the momentum of the nuclear arms race throughout the four decades of the Cold War. Joseph Rotblat
This scepticism is the same scepticism I heard a generation ago in the USSR when few thought that a democratic transformation behind the iron curtain was possible. Natan Sharansky
The horrors of the Second World War, the chilling winds of the Cold War and the crushing weight of the Iron Curtain are little more than fading memories. Ideals that once commanded great loyalty are now taken for granted. Jan Peter Balkenende
Bourguiba on Gamal Abdel Nasser- "not aware of the danger of Communism. Once the Iron Curtain drops, there is no escape." Habib Bourguiba
The press, which dropped an Iron Curtain weeks ago on the anti-war speeches of Morse and Gruening, ignored this one, too. I. F. Stone