geosynchronous

adjective

geo·​syn·​chro·​nous ˌjē-ō-ˈsiŋ-krə-nəs How to pronounce geosynchronous (audio)
-ˈsin-
: being or having an orbit around the earth with a period equal to one sidereal day
specifically : geostationary

Examples of geosynchronous in a Sentence

Recent Examples on the Web
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At its closest pass, 2026JH2 will be about 24% of the average distance between Earth and the moon, and about two and a half times the distance at which hundreds of geosynchronous satellites orbit, providing services such as telecommunications and weather forecasts. Jacopo Prisco, CNN Money, 18 May 2026 The company’s hardware originally was designed for use with the geosynchronous Earth orbit (GEO) element of the program. Prabhat Ranjan Mishra, Interesting Engineering, 17 May 2026 Until now, Russia’s spying in geosynchronous orbit has primarily focused on eavesdropping on foreign communications. Stephen Clark, ArsTechnica, 15 May 2026 Payload headed for geosynchronous transfer orbit. Richard Tribou, The Orlando Sentinel, 1 May 2026 See All Example Sentences for geosynchronous

Word History

First Known Use

1968, in the meaning defined above

Time Traveler
The first known use of geosynchronous was in 1968

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Cite this Entry

“Geosynchronous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geosynchronous. Accessed 21 May. 2026.

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