研磨 [－－]

Jyutping jin4 mo4
Pinyin yán mó

Definitions (CC-CEDICT)
  1. milling
  2. to grind
  3. to polish by grinding
  4. to abrade
  5. whetstone
  6. pestle
Definitions (Wiktionary)
  1. verb
    to grind
  2. verb
    to polish