rusting

/ˈrʌstɪŋ/
noun
  1. The process of a metal becoming covered with rust (a reddish-brown substance) due to reaction with air and moisture.
    • Rusting happens faster in humid climates because moisture speeds up the chemical reaction.
    • To prevent rusting, many tools are coated with a layer of oil or paint.
    • The old car was left outside, and the rusting of its body made it unsafe to drive.
adjective
  1. Becoming covered with rust; in the process of corroding.
    • The rusting gate creaked loudly every time someone opened it.
    • She threw away the rusting metal shelves because they were no longer sturdy.
    • We found a rusting bicycle chain in the shed that needed to be replaced.
Synonyms