焦炭 Traditional form: 焦炭 Pinyin (reading): jiāotàn Definitions: coke (processed coal used in blast furnace) Characters: 焦 - burned, scorched; anxious, vexed 炭 - carbon, charcoal, coal Traditional characters: 焦 - burned, scorched; anxious, vexed 炭 - carbon, charcoal, coal