millisecond

noun

mil·​li·​sec·​ond ˈmi-lə-ˌse-kənd How to pronounce millisecond (audio)
-kənt
: one thousandth of a second

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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But in the milliseconds after Portugal and Barcelona forward Kika Nazareth picks up the ball in England’s half and sashays forward, Clinton is on the back foot. Megan Feringa, The Athletic, 22 Feb. 2025 There's a pair of HDMI 2.0 ports around back for cabling media sources, with input lag reported as 33.4 milliseconds – which likely strikes gaming off the agenda. Paul Ridden, New Atlas, 15 Feb. 2025 But now an international research team has used laser light differently to induce magnetism in picoseconds, and in a first, initiated a magnetic state that lasted for milliseconds. IEEE Spectrum, 5 Feb. 2025 The screen size and resolution remained unchanged, but the new E Ink technology improved scribble speeds using the pen stylus – with latency reported to be under 30 milliseconds. Paul Ridden, New Atlas, 14 Feb. 2025 See All Example Sentences for millisecond

Word History

Etymology

International Scientific Vocabulary

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of millisecond was in 1909

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Cite this Entry

“Millisecond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millisecond. Accessed 3 Mar. 2025.

Kids Definition

millisecond

noun
mil·​li·​sec·​ond ˈmil-ə-ˌsek-ənd How to pronounce millisecond (audio)
 also  -ənt
: one thousandth of a second

Medical Definition

millisecond

noun
mil·​li·​sec·​ond ˈmil-ə-ˌsek-ənd, -ənt How to pronounce millisecond (audio)
: one thousandth of a second
abbreviation ms, msec
Last Updated: - Updated example sentences
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