rustproof
/ˈrʌstˌpruf/
adjective
- Not affected by rust; resistant to rust.
- The new garden tools are made of rustproof stainless steel.
- Rustproof paint protects the metal fence from rain and snow.
- She bought a rustproof lock for her outdoor shed.
Synonyms
verb
- To make something resistant to rust.
- They hired a company to rustproof the metal roof of the warehouse.
- The factory will rustproof all the car parts before shipping.
- You should rustproof your bicycle chain every winter.