cosmonaut

noun

cos·​mo·​naut ˈkäz-mə-ˌnȯt How to pronounce cosmonaut (audio)
-ˌnät
: an astronaut of the Soviet or Russian space program

Examples of cosmonaut in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Fellow Roscosmos cosmonaut Alexsandr Gorbunov controlled the 37-foot-long (11.3 meters) arm's movement from inside the space station. Robert Z. Pearlman, Space.com, 19 Dec. 2024 While SpaceX has successfully launched 10 sets of astronauts and cosmonauts to the station aboard Crew Dragon capsules, along with five purely commercial flights to orbit, Boeing's Starliner spacecraft has carried just two crew members to the lab. William Harwood, CBS News, 18 Dec. 2024 When Williams and Wilmore do finally leave after that handover, NASA astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov will fly home with them. Denise Chow, NBC News, 17 Dec. 2024 Upon recovery, the three NASA astronauts and Russian cosmonaut were transported to Ascension Sacred Heart Pensacola in Florida for evaluation. Max Hauptman, USA TODAY, 25 Oct. 2024 See all Example Sentences for cosmonaut 

Word History

Etymology

Russian kosmonavt, from Greek kosmos + Russian -navt (as in aeronavt aeronaut)

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of cosmonaut was in 1955

Dictionary Entries Near cosmonaut

Cite this Entry

“Cosmonaut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosmonaut. Accessed 18 Jan. 2025.

Kids Definition

cosmonaut

noun
cos·​mo·​naut ˈkäz-mə-ˌnȯt How to pronounce cosmonaut (audio)
-ˌnät
: a Soviet or Russian astronaut

More from Merriam-Webster on cosmonaut

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