腐蚀 (fǔ shí): corrosion; to corrode (degrade chemically); to rot; corruption

The iron door of this old house, after years of wind and rain, has been corroded beyond recognition.

Wastewater discharged from the factory contains a large amount of chemicals that will severely corrode the metal pipes in the river.

Long-term excessive stress not only affects emotions but also slowly corrodes a person's self-confidence.

Archaeologists found that bronze ware buried in moist soil is covered with a thick layer of corrosion.

This cleaning agent is highly corrosive; you must wear gloves when using it to avoid harming your skin.