肋ろく軟なん骨こつ炎えんろくなんこつえんじ字FuriganaMeanings1nouncostochondritismedicine›Medical term for inflammation of the cartilage connecting the ribs to the sternum, causing chest pain.肋ろく軟なん骨こつ炎えんは胸むねの痛いたみの原げん因いんの