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
Institutions that once reconciled data overnight now respond in milliseconds.
—
Murugan Lakshmanan, Forbes.com, 8 May 2025
If your heart is more adaptable, there will be more variance in the milliseconds between heartbeats.
—Allison Tsai, Verywell Health, 5 May 2025
This is much closer to the 100-200 millisecond time gap in normal speech.
—ArsTechnica, 21 Apr. 2025
But each millisecond, each point gain, matters when the margins are this thin throughout the grid.
—Madeline Coleman, New York Times, 14 Apr. 2025
See All Example Sentences for millisecond
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.
Murugan Lakshmanan, Forbes.com, 8 May 2025
If your heart is more adaptable, there will be more variance in the milliseconds between heartbeats.
—Allison Tsai, Verywell Health, 5 May 2025
This is much closer to the 100-200 millisecond time gap in normal speech.
—ArsTechnica, 21 Apr. 2025
But each millisecond, each point gain, matters when the margins are this thin throughout the grid.
—Madeline Coleman, New York Times, 14 Apr. 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 16 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share