rust
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Pronunciation[change]
Noun[change]

- (uncountable) Rust is a reddish material that forms on metal objects when in contact with moisture.
- The car had a little rust, but it was generally in good shape.
- (uncountable) Rust is a plant disease caused by fungus.
Related words[change]
Verb[change]
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
- (intransitive) If metal rusts, it gets covered in rust.
- She painted the metal pole to stop it from rusting.