gigasecond

== English == === Etymology === From giga- + second. === Noun === gigasecond (plural gigaseconds) (metrology) An SI unit of time equal to 109 seconds. Symbol: Gs. (= 31.7098 years) Alternative form: Gs (symbol) Holonyms: century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond 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 ==== Translations ====