dyestuff

The red dyestuff thus prepared is stated to be easily soluble in water.

There are a number of dyestuff makers in Europe who put vat colors on the market, but they all call them by different names.

They are next stained with a solution of starch, milk and red dyestuff.

The fumes of burning sulphur have an affinity for coloring matter—dyestuff.

The first is a yellow dyestuff, but it would be hard to assign any one shade or tint to Alizarin as a dyestuff.