Nantoka/석탄seoktanAdvanced석탄 (seoktan) is a Korean word meaning “coal”.Meanings1coalPart of speechnounHanja石炭Related words보석jewel일석이조killing two birds with one stone석유oil연탄briquet타산지석learning from someone else's mistakes탄산음료soda탄수화물carbohydrate암석rock반석rock비석tombstone보석상jeweler채석quarryingStudy Korean with flashcards →