Vocabulary Word
Word: patina
Definition: green crust on old bronze works or copper; tone slowly taken by varnished painting
Definition: green crust on old bronze works or copper; tone slowly taken by varnished painting
Sentences Containing 'patina'
Sandstone rocks at Twyfelfontein are covered by the so-called desert varnish, a hard patina that appears brown or dark grey.
Engravings were effected by chiseling through this patina, exposing the lighter rock underneath.