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.
When that sheet was pressed against sections of wet ice, the nanoparticles drew the liquid water up into the grooves, creating suction that pulled the material down into contact with the underlying solid ice within just 1.5 milliseconds. Ben Coxworth, New Atlas, 2 Feb. 2025 The burst lasted just 2.5 milliseconds and carried the same brightness of other fast radio bursts. Ashley Strickland, CNN, 24 Jan. 2025 In order to remain competitive, the insurer had to respond to quote requests within milliseconds while accurately evaluating driver profiles and delivering competitive rates to candidates. Rajiv Shesh, Forbes, 24 Jan. 2025 And the people who comprise markets are making infinite decisions every millisecond on the way to information creation that is exponentially greater than the knowledge possessed by government officials. John Tamny, Forbes, 19 Jan. 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

Dictionary Entries Near millisecond

Cite this Entry

“Millisecond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millisecond. Accessed 6 Feb. 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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