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せきたんき
Meanings
Noun
Geolegy
1. Carboniferous period
Alt. forms
石
せき
炭
たん
紀
き
せきたんき
Pitch accent
せ
きた
んき
Composed of
せきたん
coal
き
period; Nihon Shoki (second oldest work of Japanese history, compiled in 720 CE); Nihongi; Kii (former province located in present-day Wakayama and southern Mie prefectures)