orbiter

noun

or·​bit·​er ˈȯr-bə-tər How to pronounce orbiter (audio)
: one that orbits: such as
a
: a spacecraft designed to orbit a celestial body without landing on its surface

Examples of orbiter in a Sentence

Recent Examples on the Web
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The first of those missions is a Mars science and telecommunications orbiter mission planned for late 2028. Stephen Clark, ArsTechnica, 19 June 2026 Beyond offering a final glimpse of the orbiter, any successful observation could provide investigators with additional clues about the spacecraft's final movements. Sharmila Kuthunur, Space.com, 17 June 2026 Three other Mars orbiters provide similar communications relay service. William Harwood, CBS News, 3 June 2026 The orbiter helped relay information from NASA’s Curiosity and Perseverance rovers back to Earth during surface operations. Aamir Khollam, Interesting Engineering, 3 June 2026 See All Example Sentences for orbiter

Word History

First Known Use

1951, in the meaning defined above

Time Traveler
The first known use of orbiter was in 1951

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Cite this Entry

“Orbiter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orbiter. Accessed 22 Jun. 2026.

Kids Definition

orbiter

noun
or·​bit·​er ˈȯr-bət-ər How to pronounce orbiter (audio)
1
: one that orbits
2
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