炭たん肺はいたんはいじ字FuriganaMeanings1nounblack lung; coal worker's pneumoconiosisMedical term for the lung disease caused by inhaling coal dust over a long period.炭たん肺はいは炭たん鉱こう労ろう働どう者しゃに多おおい職しょく業ぎょう病びょうです。Black lung is an occupational disease common among coal miners.
