cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt 
-ˌnät
: an astronaut of the Soviet or Russian space program
Examples of cosmonaut in a Sentence
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The technology of using vibration to counteract bone loss came from NASA, which knew since the Soviet cosmonauts that suspension in a zero gravity environment sucks away bone matter.
—
Jia H. Jung, Mercury News, 4 June 2025
Also at the station is NASA astronaut Jonny Kim, who reached the outpost in April 2025 with cosmonauts Sergey Ryzhikov and Alexey Zubritsky.
—Eric Lagatta, USA Today, 4 June 2025
Its four crew members are NASA astronauts Commander Matthew Dominick, Pilot Michael Barratt, Mission Specialist Jeanette Epps and Roscosmos cosmonaut Mission Specialist Alexander Grebenkin.
—Richard Tribou, The Orlando Sentinel, 3 June 2025
He’s failed upward with the kind of G force that would crush a cosmonaut like a can of spinach.
—Sean Keeler, Denver Post, 11 May 2025
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Jia H. Jung, Mercury News, 4 June 2025
Also at the station is NASA astronaut Jonny Kim, who reached the outpost in April 2025 with cosmonauts Sergey Ryzhikov and Alexey Zubritsky.
—Eric Lagatta, USA Today, 4 June 2025
Its four crew members are NASA astronauts Commander Matthew Dominick, Pilot Michael Barratt, Mission Specialist Jeanette Epps and Roscosmos cosmonaut Mission Specialist Alexander Grebenkin.
—Richard Tribou, The Orlando Sentinel, 3 June 2025
He’s failed upward with the kind of G force that would crush a cosmonaut like a can of spinach.
—Sean Keeler, Denver Post, 11 May 2025
See All Example Sentences for cosmonaut
Cite this Entry
“Cosmonaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmonaut. Accessed 10 Jun. 2025.
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cosmonaut
noun
cos·mo·naut
ˈkäz-mə-ˌnȯt
-ˌnät
: a Soviet or Russian astronaut
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