What is a binding medium?

A binding medium is a substance used to hold pigment particles together and adhere them to a surface in art and painting. Common binding media include oils, egg (as in egg tempera), and acrylics, each affecting the paint's texture, transparency, and drying time. It plays a crucial role in the overall appearance and durability of the artwork. Additionally, the choice of binding medium can influence the final finish and color intensity of the paint.