sputnik(redirected from Sputnik program)
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Sput·nik(spo͝ot′nĭk, spŭt′-, spo͞ot′nyĭk)
Any of a series of Soviet satellites sent into Earth orbit, especially the first, launched October 4, 1957.
(Astronautics) any of a series of unmanned Soviet satellites, Sputnik 1 (launched in 1957) being the first man-made satellite to orbit the earth
[C20: from Russian, literally: fellow traveller, from s- with + put path + -nik suffix indicating agent]
sput•nik(ˈspʊt nɪk, ˈspʌt-)
(sometimes cap.) any of a series of Soviet earth-orbiting satellites.
[1957; < Russian: satellite, traveling companion]