れっか

劣化

表記・読み：れっか

1. 1

   deterioration (in quality, performance, etc.); degradation; worsening

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

   (visible) aging; becoming unattractive (due to aging)

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