JMdict entry #1280520

1. noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb hardening; vulcanization; vulcanisation; sclerosis; curing
   antonym: 軟化・1
2. noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb hardening (of attitude, stance, etc.); stiffening; toughening
   antonym: 軟化・2
3. noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb finance upturn (in the market); firming up
   antonym: 軟化・3