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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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, 4 Feb. 2025 Russia has also tested hypersonic missiles, capable of evading American defenses, in the Arctic. Stephen Smith, CBS News, 31 Jan. 2025 His flurry of weapons testing has continued with three launches already this year, including multiple short-range ballistic missiles, a new hypersonic intermediate-range missile and strategic cruise missiles. Jennifer Jett, NBC News, 27 Jan. 2025 This relationship has deepened with the deployment of Russian tactical nuclear weapons to Belarus and the prospect of further military collaborations, including the stationing of Russian hypersonic missiles. Gordon G. Chang, Newsweek, 24 Jan. 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

Dictionary Entries Near hypersonic

Cite this Entry

“Hypersonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypersonic. Accessed 12 Feb. 2025.

Last Updated: - Updated example sentences
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