Word Study
nanosecond
WORDNET DICTIONARY
Noun nanosecond has 1 sense
- nanosecond(n = noun.time) - one billionth (10^-9) of a second; one thousandth of a microsecond; is a kind of time unit, unit of time
has parts: picosecond
is a part of microsecond
For further exploring for "nanosecond" in Webster Dictionary Online