hy·​per·​son·​ic | \ ˌhī-pər-ˈsä-nik How to pronounce hypersonic (audio) \

Definition of hypersonic

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

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Other Words from hypersonic

hypersonically \ ˌhī-​pər-​ˈsä-​ni-​k(ə-​)lē How to pronounce hypersonic (audio) \ adverb

Examples of hypersonic in a Sentence

Recent Examples on the Web The race for hypersonic technology is high stakes, and experts fear the Chinese and the Russians are making progress. Luis Martinez, ABC News, 4 June 2021 In his speech, Putin pointed to Russia’s moves to modernize its nuclear arsenal and said the military would continue to build more state-of-the-art hypersonic missiles and other new weapons. Fox News, 22 Apr. 2021 Lockheed Martin is working with the Air Force to develop the ARRW hypersonic weapon by Nov. 30 under a $480 million contract. Jamie Mcintyre, Washington Examiner, 7 Apr. 2021 One possible target for a hypersonic weapon is America’s aircraft carrier fleet. Kyle Mizokami, Popular Mechanics, 20 Oct. 2020 But a professor and some students at the University of Texas at San Antonio are making the forces of ultra-high speed flight less intimidating with a new hypersonic wind tunnel. Brandon Lingle, San Antonio Express-News, 17 May 2021 That’s the sort of speed necessary to more accurately model the heat and drag on hypersonic vehicles, a field of advanced weapons research in which the Chinese military is already engaged, using its current generation of supercomputers. Washington Post, 8 Apr. 2021 These include a hypersonic cruise missile, called the Dagger, and a nuclear torpedo, called the Poseidon. New York Times, 21 Apr. 2021 But much of the physics of hypersonic flight is still a mystery. Jennifer Leman, Popular Mechanics, 13 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypersonic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hypersonic

1946, in the meaning defined at sense 1

History and Etymology for hypersonic

International Scientific Vocabulary

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Time Traveler for hypersonic

Time Traveler

The first known use of hypersonic was in 1946

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Statistics for hypersonic

Last Updated

13 Jun 2021

Cite this Entry

“Hypersonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypersonic. Accessed 24 Jun. 2021.

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