Question

During the late Middle Ages, painters employed a technique that involved applying colored paint to wet plaster. This technique is called .

Answer 1

I think the answer to this is the Fresco Technique.

Answer 2

Fresco is a technique in art in which paint is applied to plaster. There are a number of variations on the technique, but buon fresco or true fresco refers to applying paint to wet plaster specifically, as opposed to plaster that has fully dried.