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Definitions

astronaut

[as-truh-nawt, -not] / ˈæs trəˌnɔt, -ˌnɒt /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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The astronaut used a Nikon Z9 digital camera equipped with a 400-millimeter focal-length lens.

From Science Daily ● Oct. 11, 2026

During the mission, Adenot became the first French female astronaut to venture outside the space station for a spacewalk.

From Barron's ● Oct. 8, 2026

The team is comprised of two Nasa astronauts, a Russian cosmonaut and a Canadian astronaut whose wife is expecting their third child two months into the mission.

From BBC ● Oct. 1, 2026

"Reid and Victor's commitment to exploration, steady leadership, and service to our astronaut corps and our nation have made a lasting impact," said Vanessa Wyche, director of NASA's Johnson Space Center in Houston.

From Science Daily ● Sep. 26, 2026

The mission would study the effects of space on a geriatric astronaut.

From "Women in Space" by Karen Bush Gibson

During the 14-day mission the Apollo 17 astronauts, led by mission commander Eugene Cernan, performed three space walks on the lunar surface.

From BBC ● Oct. 11, 2026

Beyond helping astronauts live and work on the Moon, the knowledge gained from these investigations could prove essential to NASA's longer-term goal of sending humans to Mars.

From Science Daily ● Oct. 8, 2026

The crew also conducted nutrition-focused research and examined how physical characteristics may affect blood flow during spaceflight to help keep astronauts safe and healthy on future missions.

From Los Angeles Times ● Oct. 8, 2026

To unleash our energy, to rebuild our factories, to return our astronauts to the moon and launch a new age of exploration in space.

From The Wall Street Journal ● Oct. 8, 2026

Only a handful of Soviet women had made spaceflights by 2012, whereas ten times as many American women had become astronauts and gone into space.

From "Women in Space" by Karen Bush Gibson


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