terasecond

plural teraseconds

1. metrologyAn SI unit of time equal to 10¹² seconds. Symbol: Ts. (= 31709.8 years)

   Holonyms: mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond

   2 more examples

   Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium

   The solar system has been in existence for about 150000 teraseconds and may well remain in existence without major change for 500000 additional teraseconds.

   1977, Isaac Asimov, Asimov on numbers