niello
Concise Oxford English Dictionary © 2008 Oxford University Press:
niello /nɪˈɛləʊ/
▶noun a black compound of sulphur with silver, lead, or copper, used for filling in engraved designs in silver or other metals.
■ objects decorated with this.
– derivatives
nielloed adjective.
nielloed adjective.
– origin C19: from Ital., from L. nigellus, dimin. of niger ‘black’.
'niello' also found in these Oxford entries:
