corrosion
Prononciation : [kəˈroʊʒən]
Contexte : « 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.
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The old bicycle shows signs of corrosion after being outside for years.
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The new bike was not affected by corrosion because it was kept dry and clean.
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What causes corrosion to happen on metal surfaces?
Contexte : « 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.
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The bridge was repaired to prevent further corrosion from the salt in the air.
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The sculpture did not suffer from corrosion because it was protected indoors.
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How can we prevent corrosion on our outdoor furniture?
Contexte : « 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.
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The mechanic checked for corrosion on the car's parts before performing repairs.
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Fortunately, the tools in the garage showed no signs of corrosion due to proper storage.
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Is corrosion a problem we should be worried about for our tools?