attoseconds

Noun

attosecond (plural attoseconds)

1. An SI unit of time equal to 10⁻¹⁸ seconds. Symbol: as
   • Holonyms: femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond <...