noun, plural ni·el·li [nee-el-ee] /niˈɛl i/.
verb (used with object), ni·el·loed, ni·el·lo·ing.
Origin of niello
Related formsni·el·list, noun
Examples from the Web for niello
The ground between the ornaments has been cut down, probably for the insertion of niello or enamel colour.Finger-Ring Lore|William Jones
Plain engraving, niello, russet work, golden inlay and beaten ornament are common methods of enrichment.
While making a niello, the artist naturally wished to see how the work was progressing and if any alterations were required.What Philately Teaches|John N. Luff
The interior of the ears and the lip of the cup have been gilt, and in the nostrils is niello.The Shores of the Adriatic|F. Hamilton Jackson
It was of silver, but very beautifully engraved and adorned in Russian niello.Paul Patoff|F. Marion Crawford