Dictionary

Sputnik

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

Definition of SPUTNIK

:  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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