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U.S.S.R.

or USSR

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abbreviation
Union of Soviet Socialist Republics.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for U.S.S.R.

USSR

abbreviation for (formerly)
Union of Soviet Socialist Republics
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

Cultural definitions for U.S.S.R.

USSR

Abbreviation for Union of Soviet Socialist Republics, the official name of the former Soviet Union.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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