Absorbent ground

(Paint.) a ground prepared for a picture, chiefly with distemper, or water colors, by which the oil is absorbed, and a brilliancy is imparted to the colors.

See also: Absorbent

References in periodicals archive ?
I wonder how much we have done ourselves to create the flooding problem by reducing the amount of absorbent ground, with such things as paved front gardens for extra parking, and improving drainage run-off generally.