NIELLO
Etymology
Noun
niello (countable and uncountable, plural niellos or nielli)
(metallurgy) Any of various black metal alloys, made of sulphur with copper, silver or lead, used to create decorative designs on other metals.
An impression on paper taken from the engraved or incised surface before the niello alloy has been inlaid.
Verb
niello (third-person singular simple present niellos, present participle nielloing, simple past and past participle nielloed)
(transitive) To decorate (a surface) using this technique.
Anagrams
• Lionel, O'Neill, lionel, loline, nollie
Source: Wiktionary
Ni*el"lo, n. Etym: [It. niello, LL. nigellum a black of blackish
enamel, fr. L. nigellus, dim. of niger black. See Negro, and cf.
Anneal.]
1. A metallic alloy of a deep black color.
2. The art, process, or method of decorating metal with incised
designs filled with the black alloy.
3. A piece of metal, or any other object, so decorated.
4. An impression on paper taken from an ancient incised decoration or
metal plate.
Source: Webster’s Unabridged Dictionary 1913 Edition