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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
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The catch is, in this case the change causes the planet to decelerate, not speed up—by about 1.33 milliseconds per century.
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Jeffrey Kluger, Time, 9 July 2025
By tweaking these experiments, scientists have confirmed that a visual must appear for at least 300 milliseconds for people to perceive it correctly.
—Christian Wolf, Scientific American, 25 June 2025
Again, the issue with this explanation is that predictions suggest the signal should have lasted microseconds, not milliseconds.
—Robert Lea, Space.com, 25 June 2025
The next crisis will arrive faster, may hit harder, and demand responses measured not in days but in algorithmic milliseconds.
—Guney Yildiz, Forbes.com, 24 June 2025
See All Example Sentences for millisecond
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Jeffrey Kluger, Time, 9 July 2025
By tweaking these experiments, scientists have confirmed that a visual must appear for at least 300 milliseconds for people to perceive it correctly.
—Christian Wolf, Scientific American, 25 June 2025
Again, the issue with this explanation is that predictions suggest the signal should have lasted microseconds, not milliseconds.
—Robert Lea, Space.com, 25 June 2025
The next crisis will arrive faster, may hit harder, and demand responses measured not in days but in algorithmic milliseconds.
—Guney Yildiz, Forbes.com, 24 June 2025
See All Example Sentences for millisecond
Cite this Entry
“Millisecond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millisecond. Accessed 18 Jul. 2025.
Copy CitationKids Definition
millisecond
noun
mil·li·sec·ond
ˈmil-ə-ˌsek-ənd 
also -ənt
: one thousandth of a second
Medical Definition
millisecond
noun
mil·li·sec·ond
ˈmil-ə-ˌsek-ənd, -ənt
: one thousandth of a second
—abbreviation ms, msec
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