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

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Handwriting (at its most fundamental, the marking of a roughened or absorbent ground) and the fine motor skills it requires are being replaced by swiping, dragging, clicking, and tapping--gestures that encounter no physical resistance, and which register on a smooth luminescent surface.
While public playgrounds (including school playgrounds) must adhere to strict playground regulations that dictate the height of monkey bars and the depth of absorbent ground covering, backyard playgrounds are much harder to regulate.