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Sputnik

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noun Sput·nik \ˈspu̇t-nik, ˈspət-, ˈspüt-\

Definition of Sputnik

  1. :  any of a series of earth-orbiting satellites launched by the Soviet Union beginning in 1957



Origin of sputnik

Russian, literally, traveling companion, from s, so with + put' path


First Known Use: 1957


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