What does "niello" mean?

Niello: The art, process, or method of decorating metal with incised designs filled with the black alloy.

Additional senses

  1. 2.A piece of metal, or any other object, so decorated.
  2. 3.An impression on paper taken from an ancient incised decoration or metal plate. NIEPCE'S PROCESS Niep"ce's proc"ess. (Photog.) A process, now no longer used, invented by J. N. Niepce, a French chemist, in 1829. It depends upon the action of light in rendering a thin layer of bitumen, with which the plate is coated, insoluble.

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