- an artificial mixture, resembling smalt, containing cobalt oxide and, usually, silica, used to produce a blue color in glass and in ceramic glazes.
Origin of zaffer
1655–65; < Italian zaffera, perhaps < Latin sapphīra sapphire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for zaffer
Zaffer was accompanied on this visit to the Pacha by the prime vizier of Cambaya, and both were received with much honour.
- impure cobalt oxide, used to impart a blue colour to enamels
C17: from Italian zaffera; perhaps related to Latin sapphīrus sapphire