‘侵蚀’ is a verb meaning 'to erode' or 'to corrode', describing a gradual, often damaging process where one force wears away or breaks down another material or structure over time. The first character 侵 (qīn) means 'to invade' or 'to encroach', suggesting an external, aggressive action; the second character 蚀 (shí) means 'to eat away' or 'to corrode', evoking the image of something being consumed or deteriorated. Together, they emphasize slow, persistent, and harmful degradation — whether physical (like wind eroding rock), chemical (like acid corroding metal), or even metaphorical (like stress eroding one’s health).

This word is commonly used in environmental science, geology, medicine, and social commentary. It appears frequently when discussing natural processes (e.g., coastal erosion), industrial damage (e.g., rust on pipelines), biological effects (e.g., disease destroying tissue), or abstract decline (e.g., misinformation eroding public trust). It carries a neutral-to-negative connotation and implies irreversibility or serious consequence if unchecked.