四し塩えん化か炭たん素そしえんかたんそじ字FuriganaMeanings1nouncarbon tetrachlorideChemical compound CCl₄; formerly used as a solvent and fire extinguisher, now largely restricted due to toxicity.四し塩えん化か炭たん素そはかつてドライクリーニングに使つかわれていた。