炭 JLPT N2 Kanji 炭 — charcoal, coal JLPT N2 9 strokes Grade 3 Radical 火 #1307 most frequent Nature · Substance Readings On'yomiタン Kun'yomiすみ Example words 石炭せきたんcoal 炭素たんそcarbon (C) 炭鉱たんこうcoal mine; coal pit