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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The submarine, named Perm after a city in the Urals, a mountain range in western Russia, is the first of its kind to carry hypersonic Zircon missiles. Ron Estes, MSNBC Newsweek, 28 Mar. 2025 On Thursday, the Houthis claimed to have launched a hypersonic missile at Israel's Ben Gurion airport. Thomas G. Moukawsher, Newsweek, 20 Mar. 2025 Gold is abundant in the region, which also has rich deposits of rare metals such as coltan, used to make capacitors, and niobium, used to make superalloys for jet engines and hypersonic missiles. Emmet Livingstone, The Dial, 20 Mar. 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, Orlando Sentinel, 18 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 6 Apr. 2025.

Last Updated: - Updated example sentences
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