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fraction of a second

NOUN

split second

Synonyms

STRONGEST

blink of an eye millisecond nanosecond

WEAK

bat of an eye flash half a second heartbeat instant jiffy microsecond 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.

A smartphone can send data across the world in a fraction of a second.

From MarketWatch • May 4, 2026

A vehicle has only a fraction of a second to decide whether an air bag needs to deploy.

From The Wall Street Journal • Dec. 8, 2025

We can tweak the temperature of our fridge or identify a problem in our car from our smartphones in a fraction of a second.

From BBC • Aug. 5, 2025

These smallest, "super-charged" black holes would have been an entirely new state of matter, which likely evaporated a fraction of a second after they spawned.

From Science Daily • Jun. 6, 2024

Keenan actually smiles for a fraction of a second.

From "An Ember in the Ashes" by Sabaa Tahir

fraction of a second

Example Sentences

Related Words