millisecond

noun

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

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 With their flame-red streaks, pop-punk princesses Avril Lavigne and Hayley Williams were my beauty icons — but my parents didn't entertain the thought for even a millisecond. Karina Hoshikawa, refinery29.com, 6 Aug. 2024 The rate of slowing varied between 0.3 and 1.0 millisecond per century between 1900 and 2000. Damian Carrington, Vox, 17 July 2024 This means a pedestrian should be recognized by the system within 14.2 milliseconds—up to 7.8 milliseconds before the Tesla’s Sony IMX490 camera would have generated the first frame with them present. Jacek Krywko, Ars Technica, 7 June 2024 As the Earth rotates faster than the moon orbits, this tugging saps our rotational energy and has slowed us down at a rate of 2.4 milliseconds per century. Lara Williams, The Mercury News, 26 July 2024 See all Example Sentences for millisecond 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'millisecond.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 19 Aug. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!