hy·​per·​ve·​loc·​i·​ty | \ ˌhī-pər-və-ˈlä-sə-tē How to pronounce hypervelocity (audio) , -ˈlä-stē\

Definition of hypervelocity

: a high or relatively high velocity (such as thousands of feet or meters per second)

Examples of hypervelocity in a Sentence

Recent Examples on the Web

At only 56,000 light-years away, PG 1610 is fairly close for a hypervelocity star. Nola Taylor Redd, Scientific American, "Midsize Black Holes May Explain the Milky Way’s Speediest Stars," 7 Aug. 2019 During the early 2010s, the Navy and defense contractor BAE Systems began work on hypervelocity projectiles (HVPs) for railguns. Kyle Mizokami, Popular Mechanics, "Mach 3 Ammo Will Make Navy Guns Much More Lethal," 19 July 2017 Keith Hawkins, an astronomer at Columbia University who studies hypervelocity stars but did take not part in the research, agrees there is further work to be done. Shannon Hall, Scientific American, "The Milky Way's Speediest Stars Could Solve a 50-Year-Old Mystery," 9 May 2018 From the Gaia data Shen’s team flagged seven candidate hypervelocity white dwarf stars. Shannon Hall, Scientific American, "The Milky Way's Speediest Stars Could Solve a 50-Year-Old Mystery," 9 May 2018 They could be used as a hypervelocity gun on a main battle tank. Kyle Mizokami, Popular Mechanics, "The U.S. Army Is Pushing for Battlefield Railguns," 24 Apr. 2018 Here’s the Navy’s railgun slinging multiple hypervelocity rounds in 2017: Railguns are extremely complex instruments that require immense amounts of power. Kyle Mizokami, Popular Mechanics, "Is China Getting Ready To Test a Railgun?," 1 Feb. 2018 For the next four years, officials there labored away quietly on projects ranging from swarming microdrones to hypervelocity projectiles, until the Pentagon finally revealed the organization's existence. chicagotribune.com, "Pentagon's third offset may be dead, but no one knows what comes next," 18 Dec. 2017 Since then, astronomers have discovered about 20 of these fast-moving stars, known as hypervelocity stars. Chris Stirewalt, Fox News, "Dems still not ready to get serious," 6 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hypervelocity.' 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 hypervelocity

1949, in the meaning defined above

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Last Updated

14 Aug 2019

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The first known use of hypervelocity was in 1949

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readily or continually undergoing change

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