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Definition

To erode or corrode.

writtennatureother

How it's used

Focuses on the gradual, destructive process of wearing away a material or surface through chemical or physical action. It is primarily used in scientific, geological, or formal contexts rather than casual conversation. When describing the physical wearing away of land or coastlines, it is often interchangeable with 侵蝕.

Examples

hoi2海seoi2水coeng4長kei4期cam1侵sik6食ni1呢di1啲ngaam4岩sek6石。

Seawater has eroded these rocks over a long period.

syun1酸sing3性mat6物zat1質wui2會cam1侵sik6食gam1金suk6屬biu2表min6面。

Acidic substances will corrode the metal surface.

Common phrases

coeng4長kei4期cam1侵sik6食

long-term erosion

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severe erosion

Common mistake

Learners often confuse this with 侵蝕, which is the more standard term for geological erosion. While 侵食 is understood, 侵蝕 is much more common in both academic and everyday descriptions of landscape changes.