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See also: yotta-second



yotta- +‎ second


yottasecond (plural yottaseconds)

  1. A unit of time equal to 1024 (1,000,000,000,000,000,000,000,000) seconds and with symbol Ys.
    • 2000 October 31, Joe Harrison <joe.harrison@ANT15P4M.teamware.co.uk>, “Re: Bt openworld limitations .. post `em here”, in uk.telecom.broadband, Usenet[1], message-ID <8tms8c$2arb$1@news.icl.se>:
      Trades Descriptions Act... "always on" presumably means 100.00 % uptime for the rest of infinity with nary a yottasecond's downtime.
    • 2009 February 20, Larry Wall <larry@wall.org>, “Re: r25445 - docs/Perl6/Spec/S32-setting-library”, in perl.perl6.language, Usenet[2], message-ID <20090220171124.GA18585@wall.org>:
      Basically, I want yottaseconds and yoctoyears calculated with the same datatype for normal time.
    • 2009 April 3, <timewarp2008@yahoo.com>, “Re: The first rule of marriage”, in soc.religion.quaker,alt.stupidity, Usenet[3], message-ID <3ff2d63e-89dd-4c2d-bf14-995ec7088b92@y13g2000yqn.googlegroups.com>:
      12.7 furlongs per fortnight in parsecs per yottasecond

Usage notes[edit]

  • Not currently used in scientific literature. Occasionally used informally to denote a very long time, an age.