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noun

millisecond

MIH-lih-seh-kuhnd

Millisecond (noun) means a unit of time equal to one thousandth of a second, abbreviated "ms". Example: “The website loaded in under two hundred milliseconds.”

noun
1
A unit of time equal to one thousandth of a second, abbreviated "ms".
"The website loaded in under two hundred milliseconds."
"A camera shutter can open for just a few milliseconds."

How to use millisecond

Learner’s notes

In plain EnglishA tiny slice of time — a thousandth of a second — used to measure things like computer speed or reaction time.

Common pairings
a few milliseconds millisecond delay

Word forms

milliseconds plural

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The website loaded in under two hundred _____.

Etymology

From milli- ("one thousandth") plus second, following the same pattern as millimetre and milligram.

Related words

Rhymes for millisecond

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Frequently asked questions

What does “millisecond” mean?

The word “millisecond” means a unit of time equal to one thousandth of a second, abbreviated "ms". In plain terms, a tiny slice of time — a thousandth of a second — used to measure things like computer speed or reaction time.

How do you pronounce “millisecond”?

“Millisecond” is pronounced MIH-lih-seh-kuhnd (/ˈmɪlɪˌsɛkənd/ in IPA).

How do you use “millisecond” in a sentence?

Here is “millisecond” used in a sentence: “The website loaded in under two hundred milliseconds.”

What part of speech is “millisecond”?

“Millisecond” is a noun.

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Definitions: FreeDict original editorial