清せい真しん教きょうMeanings1nounIslam (in China)obsolete termObsolete term; used historically in Chinese contexts to refer to Islam. In modern Japanese, イスラム教 or イスラーム are standard.清せい真しん教きょうは中ちゅう国ごくでイスラム教きょうを指さす古ふるい呼よび名なだ。清真教 is an old term for Islam in China.