乳にゅう糖とうTop 50000MeaningsNoun1. lactose; milk sugarKanji used乳milk糖sugarPitch accentにゅうとうにゅうとうUsed in vocabulary乳にゅう糖とう不ふ耐たい症しょうlactose intoleranceNoun無む乳にゅう糖とうlactose-freePrenominal