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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The first-stage booster made a successful 21st liftoff, but was expended to get the satellite to a geosynchronous transfer orbit. Richard Tribou, Orlando Sentinel, 15 Mar. 2025 Targeting an enemy satellite in low-Earth orbit, just a few hundred miles above the planet, requires a different set of weapons than a satellite parked more than 22,000 miles up—roughly 36,000 kilometers—in geosynchronous orbit. Ars Technica, 13 Mar. 2025 SpaceX's Falcon Heavy is capable of launching payloads into geosynchronous orbit, over 22,000 miles (35,000 km) above our planet. Brett Tingley, Space.com, 21 Feb. 2025 Hypersonic missiles and cruise missiles have too faint a signature to be picked up easily from geosynchronous orbit, which means that any future sensor network will require constellations of low-Earth orbit satellites. David Szondy, New Atlas, 6 Feb. 2025 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 Mar. 2025.

Last Updated: - Updated example sentences
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