patina
4.I like this state.It should be like this.The blade should not have rust or patina.
5.Restorers have so far removed more than two thirds of the dull patina which had been obscuring the statue.
6.Some cooks love the natural mellow patina that develops when copper is exposed to heat and air.
7.The structure of Flyover is made from bronze, which has a green patina and its form is a little like a gazebo, folly or pergola.
8.Time has given this miscellany the patina of reputability, but it has not given us the right to be sniffy about parallel developments that we catch in an earlier phase.

