from The Century Dictionary and Cyclopedia
- n. A product obtained by treating the waste madder of the dye-houses, which still contains a certain quantity of alizarin and other coloring matters, with sulphuric acid, to remove lime, magnesia, etc. It is adapted for dyeing red and black, but does not afford a good purple.
Sorry, no etymologies found.
Garancine and garanceux reds, if treated first with hydrochloric acid and then with milk of lime, turn to