Last Updated
：2025/12/24
石炭紀
Hiragana
せきたんき
Proper noun
Japanese Meaning
地質時代の一区分で、古生代に属する紀。石炭を多く産する地層が発達していることから名付けられた。英語の “the Carboniferous” に相当する。
Easy Japanese Meaning
いまとはちがう大むかしの時代の名前で、石炭がたくさんできた時代をさす
Chinese (Simplified)
古生代的一个地质时期，约3.59亿至2.99亿年前 / 因广泛形成煤层而得名的地质纪
Sense（1）
the Carboniferous
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
The Carboniferous was a very important period in the history of the Earth.
The Carboniferous was a very important period in the history of the Earth.
See correct answer
石炭紀は地球の歴史の中で非常に重要な時期でした。
Japanese - English
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