Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun One sextillionth (10−21) of a second.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A unit of
time equal to 0.000 000 000 000 000 000 001seconds and with symbolzs .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
zepto- + second
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Examples
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Marangos thinks even shorter pulses are possible, saying zeptosecond pulses (trillionths of a billionth of a second!) might be possible.
Science is Badass daemonwise 2009
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A zeptosecond is one-billion-trillionth of a second 10-21 s.
A Flash Quicker Than You Can Say Zeptosecond | Impact Lab 2002
reesetee commented on the word zeptosecond
one trillionth of one billionth of one second
February 2, 2007
gangerh commented on the word zeptosecond
one sextillionth of a second
January 31, 2008
whichbe commented on the word zeptosecond
0,000 000 000 000 000 000 001 of a second ("zs")
May 17, 2008
palooka commented on the word zeptosecond
My guess is you won't get much done if that's all the time you have to do it.
May 23, 2008