Definition, Meaning & Synonyms
rust
noun
/rʌst/

Definition
Rust is a reddish-brown oxide that forms on iron or steel when it reacts with moisture and oxygen.

Examples
- The old bicycle was covered in rust after being left out in the rain.
- She noticed the rust on the metal gate, indicating it had not been maintained.
- To prevent rust, it’s essential to keep metal surfaces dry and coated with paint.

Meaning
Rust refers to the corrosion of iron or steel, creating a flaky, reddish substance that can weaken the material over time.

Synonyms
- corrosion
- oxidation
- decay