nanosecond

English Thesaurus

1. one billionth (10^-9) of a second; one thousandth of a microsecond (noun.time)

hypernym	:	time unit, unit of time,
definition	:	a unit for measuring time periods (noun.time)

part holonym	:	picosecond,
definition	:	one trillionth (10^-12) of a second; one thousandth of a nanosecond (noun.time)

part meronym	:	microsecond,
definition	:	one millionth (10^-6) of a second; one thousandth of a millisecond (noun.time)