cross-dyeing

noun

Definition of cross-dyeing

: the production by either of two methods of multicolored effects on fabrics woven of more than one kind of fiber (as animal and vegetable fibers) having different affinities for dyes:
a : the dyeing of a fabric by dyeing one or more kinds of fiber in the fabric with or without subsequent dyeing of the other fibers present
b : the dyeing of one kind of fiber (as wool) after it has been woven with other fiber (as cotton) already dyed in the form of yarn