noun, noun or participle which takes 'suru', intransitive verb
decrepitude; senility; superannuation
Refers to the state of being worn out, weakened, or obsolete due to age, applied to people, buildings, equipment, systems, etc. Often used in formal or technical descriptions.
この橋は老朽化が進んでいる。
This bridge is deteriorating due to age.
老朽し
We need to replace the decrepit equipment.