nanosecond

1 ENTRIES FOUND:
nanosecond /ˈnænəˌsɛkənd/ noun
plural nanoseconds
nanosecond
/ˈnænəˌsɛkənd/
noun
plural nanoseconds
Britannica Dictionary definition of NANOSECOND
[count]
1 
technical : one billionth of a second
2 
: a very short time