Dictionary/炭すみSumi炭 (Sumi) is a Japanese noun meaning “charcoal, charred remains”.Meaningsnouncharcoalnouncharred remainsKanji in 炭炭charcoalRelated words炭鉱coal mine石炭coal炭酸carbonic acid一酸化炭素carbon monoxide二酸化炭素carbon dioxide泥炭peat炭素carbon (C)木炭charcoal薪炭wood and charcoal炭田coalfield採炭coal mining