Rust
Pronunciation: /ˈrʌst/
Rust (noun)
- a reddish-brown substance that forms on metal when it gets wet and is exposed to air.
- a disease in plants caused by fungi, making leaves have orange or brown spots.
Examples
- The old bicycle was covered in rust.
- Rust can weaken the structure of the bridge.
Common collocations: prevent rust, rust formation, rust remover, control rust, rust infection
Rust (verb)
- to develop a reddish-brown layer on metal due to moisture and air.
- to become less skilled at something because of not practicing.
Examples
- The tools will rust if left outside.
- Without proper care, the car will rust quickly.