corrosion
Pronunciation: [kəˈroʊʒən]
Context: “chemistry”
(noun) the process of something, usually metal, being slowly worn away by a chemical reaction. It's like when a metal bike starts to rust after being left in the rain for a long time.
Example
The old bicycle shows signs of corrosion after being outside for years.
Example
The new bike was not affected by corrosion because it was kept dry and clean.
Example
What causes corrosion to happen on metal surfaces?
Context: “general use”
(noun) the damage that happens to a material over time due to environmental factors. Imagine how a statue becomes less beautiful as it gets weathered and worn.
Example
The bridge was repaired to prevent further corrosion from the salt in the air.
Example
The sculpture did not suffer from corrosion because it was protected indoors.
Example
How can we prevent corrosion on our outdoor furniture?
Context: “metalworking”
(noun) the gradual degradation of metal resulting from chemical reactions, often involving moisture. Think about how tools left outside can get rusty over time.
Example
The mechanic checked for corrosion on the car's parts before performing repairs.
Example
Fortunately, the tools in the garage showed no signs of corrosion due to proper storage.
Example
Is corrosion a problem we should be worried about for our tools?