noun
millisecond
MIH-lih-seh-kuhnd
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 notesIn 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.