: any of a series of earth-orbiting satellites launched by the Soviet Union beginning in 1957
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“Sputnik.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Sputnik. Accessed 30 Nov. 2024.
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Sputnik
noun
Sput·nik
ˈspu̇t-nik 
ˈspət-
: any of a series of satellites launched by the Soviet Union beginning in 1957
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