Search Result for "picosecond": 
Wordnet 3.0

NOUN (1)

1. one trillionth (10^-12) of a second; one thousandth of a nanosecond; 



WordNet (r) 3.0 (2006):

picosecond
    n 1: one trillionth (10^-12) of a second; one thousandth of a
         nanosecond


The Free On-line Dictionary of Computing (30 December 2018):

picosecond

    10^-12 seconds.

   (1997-04-26)