Home / Vocabulary / 炭 炭 Kanji meanings and readings 炭 N2 charcoal; coal On readingタン Kun readingすみ Radical火 Related vocabulary ✦Illustration in preparation 炭素 N1 たんそ carbon (C) ✦Illustration in preparation 炭鉱 N2 たんこう coal mine; coal pit ✦Illustration in preparation 石炭 N3 せきたん coal