/ˈmaıkroʊˌsɛkənd/ noun, pl -onds [count]
1 : one millionth of a second
2 informal : a very short period of time
She raised her hand a microsecond [=second] too late.
Useful english dictionary. 2012.
She raised her hand a microsecond [=second] too late.
Useful english dictionary. 2012.