Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One billionth (10−9) of a second.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A measure of time equal to one billionth of a second. Abbreviation: ns

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun one billionth (10^-9) of a second; one thousandth of a microsecond

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

The SI prefix nano- +‎ second

Examples

Comments

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  • 0,000 000 001 billionth of a second ("ns")

    May 17, 2008