The Collaborative International Dictionary
Absorbent ground
Absorbent \Ab*sorb"ent\, a. [L. absorbens, p. pr. of absorbere.] Absorbing; swallowing; absorptive.
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.
Wiktionary
absorbent ground
n. (context painting English) A ground prepared for a picture, chiefly with distemper or watercolours, by which the oil is absorbed and a brilliancy is imparted to the colours.
Usage examples of "absorbent ground".
When it rained, the tree would protect him from the full force of the storm, but he needed shelter from the fine drops that would make their way through the leaves to fall quietly on the absorbent ground.