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JMdict: 1703160
石炭紀 【せきたんき】
[n,adj-no] the Carboniferous Period
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Kanji in this word:
Kanji
Meanings
On Readings
Kun Readings
Grade
石
Stone
セキ, シャク, コク
いし
1
炭
Charcoal, Coal
タン
すみ
3
紀
Chronicle, Account, Narrative, History, Annals, Geologic Period
キ
4