[nan-uh-sek-uhnd, ney-nuh-]
one billionth of a second. Abbreviation: ns, nsec

1955–60; nano- + second2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To nanosecond
World English Dictionary
nanosecond (ˈnænəʊˌsɛkənd)
ns one thousand-millionth of a second

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1959, coined from Gk. nanos "dwarf" + second (n.), q.v.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
nanosecond   (nān'ə-sěk'ənd)  Pronunciation Key 
One billionth (10-9) of a second.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary
nanosecond [(nan-uh-sek-uhnd)]

A billionth of a second.

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

nanosecond definition

(ns) 10^-9 seconds; one thousand millionth part of a second.
This is the unit in which the fundamental logical operations of modern digital circuits are typically measured. For example, a microprocessor with a clock frequency of 100 megahertz will have a 10 nanosecond clock period.

The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source
Example sentences
Arugula, which seems to go from up to bolt in a nanosecond, is sown every ten
If it ever did happen, your priorities would change in a nanosecond.
Peeling adhesive tape can create nanosecond bursts of x-rays.
Nor do the conspiracy theories deserve a nanosecond's attention.
Related Words
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature