mega-annum

短语

发音

/ˌmɛɡəˈænəm/

词形变化

mega-anna mega-annums 复数 mega-annums mega-anna 复数

别名

megaannum megannum

释义与例句

n.
  1. 1.

    Synonym of megayear: a period of 1 million years.

    Holonyms: petasecond < giga-annum, gigayear < exasecond

    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

词源

From mega- + annum.

来源：wiktionary