Definition, Meaning & Synonyms

cosmoline

noun
/ˈkɒzməliːn/
Definition
Cosmoline is a thick, waxy petroleum byproduct used primarily for corrosion protection and preservation of metal surfaces.
Examples
  • Many collectors apply cosmoline to firearms to prevent rust during storage.
  • After restoring the old car, he coated the undercarriage with cosmoline for added protection.
Meaning
It serves as a protective agent against moisture and environmental factors that can cause rust and deterioration of metal objects.
Synonyms
  • Rust preventive
  • Corrosion inhibitor
  • Protective wax