Meanings
plural yottaseconds
- metrologyAn SI unit of time equal to 10²⁴ seconds. Symbol: Ys. (= quadrillions of years, a hypothetical time span that is meaningless except in speculative contexts such as theoretical physics, philosophy, religion, and humorous hyperbole)
Holonyms: ronnasecond < quettasecond
4 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 < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond
Trades Descriptions Act... "always on" presumably means 100.00 % uptime for the rest of infinity with nary a yottasecond's downtime.
2000 October 31, Joe Harrison <joe.harrison@ANT15P4M.teamware.co.uk>, “Re: Bt openworld limitations .. post `em here”, in uk.telecom.broadband (Usenet), message-ID <8tms8c$2arb$1@news.icl.se>Basically, I want yottaseconds and yoctoyears calculated with the same datatype for normal time.
2009 February 20, Larry Wall <larry@wall.org>, “Re: r25445 - docs/Perl6/Spec/S32-setting-library”, in perl.perl6.language (Usenet), message-ID <20090220171124.GA18585@wall.org>12.7 furlongs per fortnight in parsecs per yottasecond
2009 April 3, <timewarp2008@yahoo.com>, “Re: The first rule of marriage”, in soc.religion.quaker,alt.stupidity (Usenet), message-ID <3ff2d63e-89dd-4c2d-bf14-995ec7088b92@y13g2000yqn.googlegroups.com>
Origin
Cite this entry
yottasecond. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/yottasecond
“yottasecond.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/yottasecond. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “yottasecond,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/yottasecond.
Source: yottasecond on Wiktionary, CC BY-SA 4.0.