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Showing results for nanosecond. Search instead for nanosekunders.
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

Time is currently measured on Earth by hundreds of atomic clocks stationed around our planet which measure the changing energy state of atoms to record time to the nanosecond.

From BBC • Apr. 3, 2024

From a hundred miles an hour to asleep in a nanosecond.

From "Looking for Alaska" by John Green

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.