ಅರ್ಥ : A fine coating of oxide (produced by oxidation over a long period of time) on the surface of a metal (particularly copper).
ಅರ್ಥ : An acquired change in the appearance of something (other than metal or wood).
ಉದಾಹರಣೆ :
A patina of frost.
A patina of good breeding.
ಅರ್ಥ : A gloss or sheen on wooden furniture produced by age, polishing, or handling.