Open main menu

Wiktionary β

See also: atto-second

Contents

EnglishEdit

EtymologyEdit

atto- +‎ second

NounEdit

attosecond (plural attoseconds)

  1. (metrology) An SI unit of time equal to 10−18 seconds. Symbol: as
    • 2011 Barry Allen in Superman 709
      I can think at the speed of light, I can perceive events that last for less than an attosecond, I can run faster than time. What do I see when I run across the country, Superman? I see everything. And everyone.

SynonymsEdit

AnagramsEdit