Dictionary.com
definitions
  • synonyms

nanosecond

[nan-uh-sek-uh nd, ney-nuh-]
See more synonyms for nanosecond on Thesaurus.com
noun
  1. one billionth of a second. Abbreviation: ns, nsec
Show More

Origin of nanosecond

First recorded in 1955–60; nano- + second2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for nanosecond

millisecond, nanosecond, flash, heartbeat, instant, jiffy, moment, twinkling, microsecond

Examples from the Web for nanosecond

Contemporary Examples of nanosecond


British Dictionary definitions for nanosecond

nanosecond

noun
  1. one thousand-millionth of a secondSymbol: ns
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for nanosecond

n.

1959, from nano- + second (n.).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

nanosecond in Science

nanosecond

[nănə-sĕk′ənd]
  1. One billionth (10-9) of a second.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

nanosecond in Culture

nanosecond

[(nan-uh-sek-uhnd)]

A billionth of a second.

Show More

Note

The term is often used to refer to a very short time: “He missed having an accident by nanoseconds.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.