PATINA


Meaning of PATINA in English

[noun] [U] - a thin surface layer which develops on something because of use, age or chemical actionHis tomb was covered with a yellow patina of lichen.(figurative formal) Beware their patina of civility, it's only an act.(specialized) Patina (also verdigris) is a blue-green layer that forms on copper or brass.

Cambridge English vocab.      Кембриджский английский словарь.