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Meaning of patina

pat•i•na

Pronunciation: (pat'n-u, pu-tē'nu), [key]
— n.
  1. a film or incrustation, usually green, produced by oxidation on the surface of old bronze and often esteemed as being of ornamental value.
  2. a similar film or coloring appearing gradually on some other substance.
  3. a surface calcification of implements, usu. indicating great age.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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