研けん磨ま剤ざいMeaningsNoun1. abrasive compound; abrading agent; abradant; polishing agentKanji used研refine磨polish剤chemical substanceComposed of研けん磨まgrinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneselfNoun剤ざいmedicine; agent; (chemical) substance; drug; doseSuffix