研けん磨ま機きMeaningsNoun1. grinder; grinding machine; polisherKanji used研refine磨polish機machinePitch accentけんまきComposed of研けん磨まgrinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneselfNoun機きchance; opportunity; machine; aircraft; counter for aircraft; counter for (remaining) livesNoun