rust
/ɹʌst/ noun B2- The deteriorated state of iron or steel as a result of moisture and oxidation; it consists mostly of iron(III) oxide (ferric oxide) and iron(II) oxide (ferrous oxide). · The rust on my bicycle chain made cycling to work very dangerous.
- A similar substance based on another metal. · copper rust
- A reddish-brown color.
- A disease of plants caused by a reddish-brown fungus (Pucciniales).
- Damage caused to stamps and album pages by a fungal infection.
Plural rusts
Phrasal verbs and expressions
From the library
“For,” he said, “if I should get caught in the rain, and rust again, I would need the oil-can badly.”
“I should certainly weep if you killed a poor deer, and then my jaws would rust again.”
And Dorothy oiled them and the Scarecrow bent them carefully until they were quite free from rust and as good as new.
There was only one danger—that my joints would rust; but I kept an oil-can in my cottage and took care to oil myself whenever I needed it.
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