hypersonic

adjective

hy·​per·​son·​ic ˌhī-pər-ˈsä-nik How to pronounce hypersonic (audio)
1
: of or relating to speed five or more times that of sound in air compare sonic
2
: moving, capable of moving, or utilizing air currents that move at hypersonic speed
hypersonic wind tunnel
hypersonically adverb

Examples of hypersonic in a Sentence

Recent Examples on the Web
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Another military airfield in Mozdok, North Ossetia, from where MiG-31K carriers of Kinzhal hypersonic missiles are deployed, was also the target of an attack, according to the Astra Telegram channel, citing local residents. Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025 The tricky bit about hypersonic missiles is getting them up to velocities above Mach 5 and keeping them there in a practical way. New Atlas, 6 Apr. 2025 Payloads included two satellites for the Missile Defense Agency to track hypersonic missiles and four more satellites for the Tranche 0 constellation for the Space Development Agency. Richard Tribou, The Orlando Sentinel, 6 Apr. 2025 Varda Space has successfully landed a reentry capsule in Australia, delivering critical data that could advance in-space manufacturing and hypersonic technologies. Andrew Jones, Space.com, 5 Mar. 2025 See All Example Sentences for hypersonic

Word History

Etymology

International Scientific Vocabulary

First Known Use

1946, in the meaning defined at sense 1

Time Traveler
The first known use of hypersonic was in 1946

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Cite this Entry

“Hypersonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypersonic. Accessed 21 Apr. 2025.

Last Updated: - Updated example sentences
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