any substance that lessens the purity or effectiveness of a substance
adulterants的用法和樣例:
例句
Because of morphological changes and adulterants sold of Pinellia ternata in the market, it is becoming more and more difficult to identify various types of Pinellia ternata. 摘要隨著市場上半夏混淆品的盛行及半夏本身形態學的某些改變,使傳統的形態學鑒別方法難度增加,必須結合其他方法才能準確鑒定。