炭たん素そ化か合ごう物ぶつMeaningsNoun1. carbon compoundsKanji used炭charcoal素elementary化transformation合come together物thingComposed of炭たん素そcarbon (C)Noun化か合ごう物ぶつcompoundNounExamples1一いっ酸さん化か炭たん素そとは炭たん素そ化か合ごう物ぶつの不ふ完かん全ぜん燃ねん焼しょうで発はっ生せいする有ゆう害がい物ぶっ質しつです。Carbon monoxide is a poisonous substance formed by the incomplete combustion of carbon compounds.