corrosion

corrosion

Dégradation progressive d’un matériau par des réactions chimiques, comme le métal qui rouille.

En anglais simple : The gradual damage to a material caused by chemical reactions, such as metal turning to rust.

• The pipes showed signs of corrosion.
• Salt water speeds up corrosion on steel.
• This coating protects the metal against corrosion.

Expressions courantes : metal corrosion, prevent corrosion, corrosion resistance, surface corrosion

érosion, dégradation

Affaiblissement ou destruction progressive de quelque chose d’important, comme la confiance ou les valeurs communes.

En anglais simple : The slow weakening or destruction of something important, such as trust or shared values.

• The scandal caused a corrosion of trust.
• She warned against the corrosion of democratic values.
• Years of broken promises led to a slow corrosion of confidence.

Comment l'utiliser : corrosion of something (Repeated lies caused a corrosion of public trust.)

Synonymes : erosion, undermining, deterioration

Expressions courantes : corrosion of trust, corrosion of values, gradual corrosion