たんれん

鍛錬

表記・読み：鍛練・たんれん

1. 1

   tempering (metal); annealing; forging

   名詞noun or participle which takes the aux. verb suru他動詞
2. 2

   toughening; disciplining; training

   名詞noun or participle which takes the aux. verb suru他動詞