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Definitions

microsecond

[mahy-kruh-sek-uhnd] / ˈmaɪ krəˌsɛk ənd /
NOUN
split second
Synonyms
STRONGEST
blink of an eye millisecond nanosecond
WEAK
bat of an eye flash fraction of a second half a second heartbeat instant jiffy moment nothing flat twinkling

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then, he recalled, "they would play the points" in endless takes -- with or without the ball -- repeating choreography timed "down to the microsecond".

From Barron's • Dec. 23, 2025

They’re executing millions of trades on microsecond timescales using signals derived from petabytes of data.

From MarketWatch • Nov. 15, 2025

Fin Smith delayed his pass a crucial microsecond to allow Elliot Daly, gleaming in his fresh white shirt having only left the bench three minutes earlier, to slice through on a delicious wrap-around line.

From BBC • Feb. 8, 2025

They then published in 2020 a paper in Nature showing how bolometers made of graphene can shorten readout times to well below a microsecond.

From Science Daily • Apr. 10, 2024

For a microsecond when he saw Percy, the boy seemed shocked—panicked even, like he’d been caught in a searchlight.

From "The Son of Neptune" by Rick Riordan