The Open Dictionary

microsecond

noun

UK/ˈmaɪ.krəʊˌsek.ᵊnd/
US/ˈmaɪ.kroʊˌsek.ᵊnd/

Definitions of microsecond noun

  1. Countable

    A unit of time equal to one millionth of a second.

    • The computer processes data in microseconds.

    • The reaction time of this device is measured in microseconds.

    • Light travels approximately 300 meters in a microsecond in a vacuum.