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Definitions

cosmonaut

[koz-muh-nawt, -not] / ˈkɒz məˌnɔt, -ˌnɒt /


Example Sentences

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In March 1995 Valeri Polyakov, a Russian cosmonaut, returned to Earth after a record 14 consecutive months in space.

From The Wall Street Journal • Feb. 19, 2026

This late uncertainty is just the most recent twist for the SpaceX Crew-12 mission, which includes Americans Jessica Meir and Jack Hathaway, French astronaut Sophie Adenot and Russian cosmonaut Andrey Fedyaev.

From Barron's • Feb. 5, 2026

Fedyaev will make history as the first cosmonaut to fly twice on Dragon.

From Science Daily • Feb. 2, 2026

In 1985, Soviet cosmonaut Vladimir Vasyutin and his colleagues returned four months ahead of schedule from a mission to the Salyut 7 space station due to a urological issue.

From BBC • Jan. 14, 2026

On April 12,1961, Russian cosmonaut Yuri Gagarin became in one fell swoop the first human in space and the first human to orbit Earth.

From "Hidden Figures" by Margot Lee Shetterly