Answer:
Tempera, also known as egg tempera, is a permanent, fast-drying painting medium consisting of colored pigments mixed with a water-soluble binder medium, usually glutinous material such as egg yolk. Tempera also refers to the paintings done in this medium.
Step-by-step explanation:
a method of painting with pigments dispersed in an emulsion miscible with water, typically egg yolk. The method was used in Europe for fine painting, mainly on wood panels, from the 12th or early 13th century until the 15th, when it began to give way to oils.