patination

/ˌpætɪˈneɪʃən/
noun
  1. The process of forming a patina on a surface.
    • Artists can speed up patination by applying special solutions to metal.
    • The patination of ancient bronze coins helps archaeologists determine their age.
    • The patination of the copper roof took decades to complete naturally.
  2. The patina itself; the layer or appearance that results from patination.
    • This type of patination is highly valued by collectors of antique metalwork.
    • The patination gave the old brass candlesticks a unique character.
    • The green patination on the statue was carefully preserved during restoration.
What does "patination" mean? | whatsthatwordmean | whatsthatwordmean