microsecond

/ˈmaɪkroʊˌsɛkənd/
noun
  1. One millionth of a second; a very short unit of time.
    • The computer processor can perform millions of operations in a single microsecond.
    • In racing, a difference of a microsecond can decide the winner.
    • A camera flash can last only a few microseconds.
Synonyms
What does "microsecond" mean? | whatsthatwordmean | whatsthatwordmean