a political and ideological barrier that impeded relations between Communist Asia, especially China, and the West from 1949 to 1972.
Compare iron curtain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(esp in the 1950s and 1960s) the political and military barrier to communications around the People's Republic of China
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012