polychrome

adj

1. (not-comparable)Using multiple or many colours.

   “A polychrome two-handled jar with red and white streaks on a dark ground.”

2. (not-comparable)Executed in the manner of polychromy.

   “polychrome printing”

noun

1. (countable)A piece of multicolored pottery.

   “Maya influence is particularly noticeable in the decorative elements depicted on Ulua polychromes and the development of complex syntactic rules governing the organization of decorative motifs into an integrated stylistic design.”

2. (uncountable)esculin (so called in allusion to its fluorescent solutions)

verb

1. To paint or dye with multiple colours.
2. To divide (a dye etc.) into multiple colours.