1645650 jmdict A [id=2177585] 精練 せいれん [1][n,vs,vt] scouring; degumming [2][n,vs,vt] training [3][n,vs,vt] [note="incorrect kanji for 精錬, 製錬"] refining; refinement; smelting [see=1380250・精錬[1]]