or zaf·fre

  1. 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for zaffre

Historical Examples of zaffre

British Dictionary definitions for zaffre



  1. impure cobalt oxide, used to impart a blue colour to enamels

Word Origin for zaffer

C17: from Italian zaffera; perhaps related to Latin sapphīrus sapphire
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012