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ussr
has definitions from the fields of government,geography
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[ noun ] (government,geography) a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia an others); officially dissolved 31 December 1991
Used in print (J. F. Vedder, "Micrometeorites", in Francis S. J...)The threshold mass is derived from the momentum threshold with the assumption of a mean impact velocity of * * f in the U.S. work and * * f in the U.S.S.R. work . |
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