service module

noun

: a space vehicle module that contains oxygen, water, fuel cells, propellant tanks, and the main rocket engine

Examples of service module in a Sentence

Recent Examples on the Web
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An oxygen tank in the mission's command and service module exploded, damaging the spacecraft and forcing the three astronauts into survival mode. Mike Wall, Space.com, 8 Aug. 2025 Launching on April 11, 1970, and scheduled to last 10 days, the mission was aborted after an oxygen tank in the service module exploded. Patricio Chile, ABC News, 8 Aug. 2025 The three Russians aboard the space station recently inspected the inside walls of the aging Zvezda service module, which launched in 2000, as well as a connecting tunnel. Marcia Dunn, Los Angeles Times, 12 June 2025 The vehicle will fly with a service module that will expand its capacity for experiments, allowing the space plane to host payload for the Air Force Research Laboratory and the Defense Innovation Unit. Jonathan M. Gitlin, ArsTechnica, 28 July 2025 See All Example Sentences for service module

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of service module was in 1961

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Cite this Entry

“Service module.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/service%20module. Accessed 19 Aug. 2025.

Kids Definition

service module

noun
: a part of a space vehicle containing oxygen, water, fuel cells, fuel tanks, and the main rocket engine
Last Updated: - Updated example sentences
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