[1] : WordNet (r) 2.0

nanosecond
     n : one billionth of a second; one thousandth of a microsecond

[2] : The Free On-line Dictionary of Computing (27 SEP 03)

nanosecond
     
         ns 10^-9 seconds; one thousand millionth part of a
        second.
     
        this is the unit in which the fundamental logical operations
        of modern digital circuits are typically measured.  for
        example, a microprocessor with a clock frequency of 100
        megahertz will have a 10 nanosecond clock period.
     
        1996-11-15
     
     
see also:
microprocessor clock megahertz 

Nanosecond >> N Words
Nanosecond, definition of term: Nanosecond
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