noun, noun or participle which takes 'suru', intransitive verb
Refers to the process of becoming solid or fixed, both physically (e.g., liquids hardening) and abstractly (e.g., plans, systems becoming rigid). Often used in technical or formal writing.
冷却すると液体が固化する。
The liquid solidifies when cooled.
組織のルール
The organization's rules became rigid and lost flexibility.