zaffre

• zaffer, zaffree, zaffar, zaffir, zaphara

From Italian zaffera, from Latin sapphirus (“sapphire”). Doublet of sapphire.

• IPA^(key): /ˈzæfə(ɹ)/
• Rhymes: -æfə(ɹ)

zaffre (countable and uncountable, plural zaffres)

1. A blue pigment obtained by roasting cobalt ore.
   • 1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 49:

     If Zaffre or Regulus of Cobalt be dissolved in the same manner in spirit of nitre, or aqua fortis, a reddish colour is produced on exposing the paper to heat.

2. A cobalt blue colour, like that of the pigment.

   zaffre:  

• (blues) blue; Alice blue, aqua, aquamarine, azure, baby blue, beryl, bice, bice blue, blue green, blue violet, blueberry, cadet blue, Cambridge blue, cerulean, cobalt blue, Copenhagen blue, cornflower, cornflower blue, cyan, dark blue, Dodger blue, duck-egg blue, eggshell blue, electric blue, gentian blue, ice blue, lapis lazuli, light blue, lovat, mazarine, midnight blue, navy, Nile blue, Oxford blue, peacock blue, petrol blue, powder blue, Prussian blue, robin's-egg blue, royal blue, sapphire, saxe blue, slate blue, sky blue, teal, turquoise, ultramarine, Wedgwood blue, zaffre ^{(Category: en:Blues)}

• affzer, zaffer