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Showing results for nanosecond. Search instead for nanosegundo.
Definitions

nanosecond

[nan-uh-sek-uhnd, ney-nuh-] / ˈnæn əˌsɛk ənd, ˈneɪ nə- /
NOUN
split second
Synonyms
STRONGEST
blink of an eye millisecond
WEAK
bat of an eye flash fraction of a second 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 nanosecond is the time it takes for light to travel about one foot.

From The Wall Street Journal • Dec. 16, 2025

The first half of the show unpacks the sensory systems that leads people to experience flavor in a nanosecond.

From Salon • Dec. 9, 2024

The intense beams will allow researchers to image samples at nanometer scales and take snapshots of chemical reactions over nanosecond time frames.

From Science Magazine • Nov. 27, 2024

Locating and directing this mission requires extreme precision down to the nanosecond, errors in navigation which could risk spacecraft entering the wrong orbits.

From BBC • Apr. 3, 2024

We stood still for a nanosecond, staring at the fuse, making sure it was lit.

From "Looking for Alaska" by John Green