zeptosecond


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Related to zeptosecond: yoctosecond

zep·to·sec·ond

 (zĕp′tō-sĕk′ənd)
n. Abbr. zs or zsec
One sextillionth (10-21) 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.

zeptosecond

(ˈzɛptəˌsɛkənd)
n
(Mathematics) a sextillionth of a second
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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"Through this change in speed, the physicists were able to measure photoemission with zeptosecond precision."
Then, at the very last zeptosecond, as the beautiful, expensive, heirloomic Turbo careens--skates--toward the wall, the whole car suddenly snaps violently to attention and straightens crisply out, its tires mere millimeters from the grass.
Its researchers are thinking of the next frontier in the science of brevity: zeptosecond pulses.