JMdict: 1592730

研磨 【けんま】

  1. [n,vs,vt] grinding; polishing
  2. [n,vs,vt] refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneself
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
研 Polish, Study Of, Sharpen ケン と.ぐ 3
磨 Grind, Polish, Scour, Improve, Brush (teeth) マ みが.く, す.る