rustproofs

/ˈrʌstˌpruːfs/
verb
  1. Makes something resistant to rust (third person singular form of rustproof).
    • The manufacturer rustproofs all its metal parts before assembly.
    • This special paint rustproofs outdoor furniture effectively.
    • A good coating rustproofs the surface for many years.
Antonyms
What does "rustproofs" mean? | whatsthatwordmean | whatsthatwordmean