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