Sputnik


Sput·nik

noun \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

Sputnik

noun    (Concise Encyclopedia)

Any of a series of Earth-orbiting spacecraft whose launching by the Soviet Union inaugurated the space age. Sputnik 1, the world’s first artificial satellite (October 1957), remained in orbit until early 1958, when it reentered Earth’s atmosphere and burned up. Sputnik 2 carried a dog, Laika, the first living creature to orbit Earth; since Sputnik 2 was not designed to sustain life, Laika did not survive the flight. Eight more missions with similar satellites carried out experiments on various animals to test life-support systems and reentry procedures and to furnish data on space temperatures, pressures, particles, radiation, and magnetic fields.

Browse

Next Word in the Dictionary: sputter (verb)
Previous Word in the Dictionary: spurwort
All Words Near: Sputnik

Seen & Heard

What made you want to look up Sputnik? Please tell us where you read or heard it (including the quote, if possible).