femtosecond
Also found in: Thesaurus, Wikipedia.
fem·to·sec·ond
(fĕm′tə-sĕk′ənd)n.
One quadrillionth (10-15) of a second.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
femtosecond
(ˈfɛmtəʊˌsɛkənd)n
(Units) one thousandth of a nanosecond
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun 1. femtosecond - one quadrillionth (10^-15) of a second; one thousandth of a picosecond
time unit, unit of time - a unit for measuring time periods
attosecond - one quintillionth (10^-18) of a second; one thousandth of a femtosecond
picosecond - one trillionth (10^-12) of a second; one thousandth of a nanosecond
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.