U.S.S.R.

abbreviation
variants: or USSR

Definition of U.S.S.R.

Union of Soviet Socialist Republics

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Dictionary Entries Near U.S.S.R.

ussingite

U.S.S.R.

Ussuri

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Cite this Entry

“U.S.S.R..” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/U.S.S.R.. Accessed 23 May. 2022.

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