RUSTPROOF

rustproof

Verb

  1. To make resistant to rust, such as by applying a coating.
    We'll rustproof the metal with a good coat of paint and then we'll be able to leave it outdoors for years without damage.

Adjective

  1. Resistant to rust, oxidation and corrosion.
    This is supposed to be a rustproof trashcan, but it can't handle the salt they use on our roads.


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