rustproofing
/ˈrʌstˌpruːfɪŋ/
noun
- The process or treatment of making something resistant to rust.
- Rustproofing is essential for cars driven in snowy climates.
- The factory offers rustproofing as an optional service.
- He applied a spray-on rustproofing to the metal gate.
adjective
- Relating to or used for preventing rust.
- The rustproofing treatment must be reapplied every few years.
- She bought a rustproofing kit for her garden tools.
- They used a rustproofing compound on the steel beams.