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epoch SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 92715 】 【意味】 "[名詞] a period marked by distinctive character or reckoned from a fixed point or event [例] The epoch of the dinosaurs is over. [例] The epoch of the Renaissance was a time of great artistic achievement. [意味] エポック, 時代, 年代, 世紀, 時代区分, 時期, 紀元, 世 ; [同義語] era ; [上位語] period, period of time, time period ; [下位語] age, day, Caliphate, Common era, modern era, historic period, Christian era ; [派生] epochal, epoch-making ; [同義語群] 15248564-n [名詞] a unit of geological time that is a subdivision of a period and is itself divided into ages [例] The epoch is a unit of geological time. [例] They believed that the epoch was a very long time ago. [意味] 時代, 世, 世紀, 紀, 最近, 劃期 ; [上位語] geologic time, geological time ; [下位語] Recent, Pleistocene, Miocene, Eocene, Holocene, Pliocene, Oligocene, Paleocene ; [同義語群] 15248269-n [名詞] (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded [例] The epoch is the reference date for astronomical coordinates. [例] The epoch of the measurements was a few years ago. [例] They chose the epoch of the measurements to be the beginning of the year. [意味] 時代, 元期, 年代, 日付, 新時代, 画期的な時代, 新しい時代のあけぼの, 新時代を開くできごと ; [同義語] date of reference ; [上位語] date ; [同義語群] 15296687-n"