picosecond

[pee-kuh-sek-uhnd, pahy-]
noun
one trillionth of a second. Abbreviation: ps, psec

Origin:
1965–70; pico- + second2

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Collins
World English Dictionary
picosecond (ˈpiːkəʊˌsɛkənd, ˈpaɪkəʊ-)
 
n
a million millionth of a second; 10--12 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
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FOLDOC
Computing Dictionary

picosecond definition

unit
10^-12 seconds.
(1997-04-26)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Timing down to the picosecond should be easily achievable.
Influence of preformed shock wave on the development of picosecond laser ablation plasma.
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