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