millisecond

noun
mil·​li·​sec·​ond | \ ˈmi-lə-ˌse-kənd How to pronounce millisecond (audio) , -kənt\

Definition of millisecond

: one thousandth of a second

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Did You Know?

A millisecond isn't long enough for the blink of an eye, but a few milliseconds may determine the winner of a swim race or a hundred-yard dash. With the ever-increasing speed of modern technology, even a millisecond has started to seem a little sluggish; computer operations are now measured in nanoseconds—that is, billionths of a second.

Examples of millisecond in a Sentence

Recent Examples on the Web

The arrival of magnetised cubes in 2016 has allowed for more accurate twisting, helping to shave off valuable milliseconds. The Economist, "Speedcubers are solving Rubik’s Cubes at ever-faster speeds," 11 July 2019 Alexander’s feet had moved an inch or two past the goal line in the milliseconds before the PK was taken. San Diego Union-Tribune, "Column: Soccer’s bungled attempt at video review is latest reason why we should rethink it," 28 June 2019 These are millisecond-long blips of intense and unexplained radio signals that pop up all over the sky, temporarily outshining radio pulsars in our galaxy despite being perhaps a million times farther away. Quanta Magazine, "With a Second Repeating Radio Burst, Astronomers Close In on an Explanation," 28 Feb. 2019 That can be important in gaming, autonomous driving and robotic surgery, when milliseconds count. Larry Magid, The Mercury News, "Magid: 5G brings opportunities but also risks," 27 June 2019 The number of millisecond pulsars is even less well-known. Chris Lee, Ars Technica, "Gamma ray evidence for dark matter outshone by a flock of pulsars," 10 Aug. 2018 In no more than 100 milliseconds, inflators pump up the airbag to the height of a typical front bumper. Matthew Jancer, Popular Mechanics, "Your Next Car Could Have Airbags That Inflate on the Outside," 15 Feb. 2019 In fact, the 2018 winner, Justify, completed the race in just two minutes, four seconds, and 20 milliseconds. Maggie Maloney, Town & Country, "When Does the 2019 Kentucky Derby Start?," 8 Apr. 2019 This entire mechanical ballet happens in a matter of milliseconds. Matthew Moss, Popular Mechanics, "We Got Our Hands on an HK G11, the Space-Age Rifle That Never Was," 20 Mar. 2019

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

1909, in the meaning defined above

History and Etymology for millisecond

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Statistics for millisecond

Last Updated

18 Jul 2019

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Time Traveler for millisecond

The first known use of millisecond was in 1909

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More Definitions for millisecond

millisecond

noun

English Language Learners Definition of millisecond

: one thousandth of a second

millisecond

noun
mil·​li·​sec·​ond | \ ˈmil-ə-ˌsek-ənd, -ənt How to pronounce millisecond (audio) \

Medical Definition of millisecond

: one thousandth of a second abbreviation ms, msec

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Rhyming Dictionary: Words that rhyme with millisecond

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